(r) n./vt.[rɪsk]危险;风险;危险人物;会带来风险的事物;冒险做 a chance of getting hurt or losing something; to put in danger.

(a)  

(b) adj.[bɔːrd]无聊的;(对某人 / 事物)厌倦的;烦闷的 feeling tired or restless because of having to do something that is not interesting.

(a)  

(f) n.[fɔːˈmeɪʃn] [fɔːrˈmeɪʃn] 组成;形成;组成物;形成物;编队;队形 the action of forming sth; the process of being formed

(a)  

(a) n.[ækˈtɪvəti] 活动；热闹状况；活跃 a situation in which sth is happening or a lot of things are being done

(a)  

(b) n.[ˈbɪznəs] 商业机构；企业；公司；商店；工厂 a commercial organization such as a company, shop/store or factory

(a)  

(p) adj.[ˈpleznt] 令人愉快的;宜人的;可喜的;吸引人的;友好的;和善的;文雅的 having a friendly manner; nice; pleasing.

(a)  

(s) n. [ˌsɪtʃuˈeɪʃn] [ˌsɪtʃuˈeɪʃn] 情况;状况;形势;局面all the circumstances and things that are happening at a particular time and in a particular place

(a)  

(a) adj.[əˈfreɪd] 害怕，畏惧（可能受伤害、受苦） feeling fear; frightened because you think that you might be hurt or suffer

(a)  

(s) v. [səkˈsiːd] 达到目的；实现目标；办到；做成 to achieve sth that you have been trying to do or get; to have the result or effect that was intended

(a)  

(a) v. [əˈtʃiːv] 实现;完成;(凭长期努力)达到(某目标、地位、标准);成功 to succeed in reaching a particular goal, status or standard, especially by making an effort for a long time

(a)  

(e) n. [ˌekspəˈdɪʃn] 远征；探险；考察 an organized journey with a particular purpose, especially to find out about a place that is not well known

(a)  

(a) adj. [əˈɡresɪv] 好斗的；挑衅的；侵略的；富于攻击性的 angry, and behaving in a threatening way; ready to attack

(a)  

(r) v. [ˈreskjuː] 营救；援救；抢救 to save sb/sth from a dangerous or harmful situation

(a)  

(r) v. [rɪp] （突然或猛烈地）撕破，裂开 to tear sth or to become torn, often suddenly or violently

(a)  

(e) adj.[ɪˈnɔːrməs] 巨大的；庞大的；极大的 extremely large

(a)  

(w) v. [weɪ] 有...重；重 to have a particular weight

(a)  

(a) v./n. [əˈtæk] 袭击；攻击 奋力处理；全力对付 an act of using violence to try to hurt or kill sb; to deal with sth with a lot of energy and determination

(a)  

(w) prep. [wɪˈðaʊt] 没有；缺乏 not having, experiencing or showing sth

(a)  

(b) n. [ˈboʊldərɪŋ] 攀岩（运动） the sport or activity of climbing on large rocks

(a)  

(d) n. [ˈdɪfɪkəlti] 困难 the condition of being hard to do.

(a)  

(r) n./v. [reɪt] 比率；率 ，评估;评价;划分等级; to put in a certain rank or order a measurement of the speed at which sth happens

(a)  

(c) v. [kənˈtɪnjuː] 持续；继续存在；不断发生 to keep existing or happening without stopping

(a)  

(e) v. [ɪkˈspekt] 等待；期待；盼望 to be waiting for sb/sth to arrive, as this has been arranged

(a)  

(t) n. [ˈtrʌbl] 问题；忧虑；困难；苦恼 a problem, worry, difficulty, etc. or a situation causing this

(a)  

(e) adv.[ɪˈventʃuəli] 最后；终于 at the end of a period of time or a series of events

(a)  

(f) v. [ˈfɑːloʊ] 跟随；跟着 to come or go after or behind sb/sth

(a)  

(a) n. [əˈwernəs] 知道；认识；意识；兴趣 knowing sth; knowing that sth exists and is important; being interested in sth

(a)  

(e) n. [ɪˈkwɪpmənt] 设备；器材 the things that are needed for a particular purpose or activity

(a)  

(d) to become impossible to see

(a)  

(v) weak and easily hurt physically or emotionally

(a)  

(e) (of a type of plant, animal, etc. no longer in existence

(a)  

(c) a particular situation or a situation of a particular type

(a)  

(s) to continue to live or exist despite a dangerous event or time

(a)  

(t) the measurement in degrees of how hot or cold a thing or place is

(a)  

(h) the place where a particular type of animal or plant is normally found

(a)  

(e) to put sb/sth in a situation in which they could be harmed or damaged

(a)  

(c) serious/dangerous; A critical time, factor, or situation is extremely important.

(a)  

(e) a change that sb/sth causes in sb/sth else; a result

(a)  

(p) monkeys, apes, and humans

(a)  

(v) to be different

(a)  

(r) a member of your family

(a)  

(s) a strong feeling of surprise as a result of sth happening, especially sth unpleasant; the event that causes this feeling

(a)  

(l) most recent

(a)  

(w) to find out how heavy something is

(a)  

(m) having the power to attract

(a)  

(e) connected with gradual development and change

(a)  

(i) an effect or result

(a)  

(f) luckily

(a)  

(s) to put forward an idea or a plan for other people to think about

(a)  

(p) to make a document available to the general public

(a)  

(i) an important topic or problem for debate or discussion

(a)  

(r) to care for a child or young animal until it is able to take care of itself.

(a)  

(i) n. ['aɪtəm] 项目，物品，条目 a unit or article, often one that is part of a collection or list

(a)  

(d) n. [dɪˈvaɪs] 设备，装置 a machine or tool created for a specific purpose

(a)  

(d) v. [dɪˈveləp] 发展，成长 to grow, advance, or change over time

(a)  

(i) v. [ɪnˈvent] 动词，发明，创造 to create or discover something new that has never existed before

(a)  

(h) n. [ˈhelɪkɑptər] 直升机 a type of aircraft with rotors that enable it to lift off vertically and fly in any direction

(a)  

(d) v./n. [dɪˈzaɪn] 设计，规划 the process of planning and creating something, or the thing that has been created

(a)  

(e) n. /ˈɛndʒɪn/ 发动机 a machine with moving parts that converts power into motion

(a)  

(d) n. /ˈdrɔːɪŋ/ 图画，素描 a picture or diagram made with a pen, pencil, or other tool

(a)  

(e) n. /ˌɛndʒɪˈnɪər/ 工程师 a person who designs, builds, or maintains machines, engines, or structures

(a)  

(f) v. /floʊt/ 漂浮，浮动 to stay on the surface of a liquid or gas without sinking

(a)  

(s) v. /sɪŋk/ 沉没，下沉 to go down below the surface of a liquid or soft substance

(a)  

(i) n. /ɪmˈprɛʃən/ 印象，感觉 a feeling, idea, or opinion that is formed about someone or something

(a)  

(b) n. /beɪs/ 基地，基础 the bottom or supporting part of something

(a)  

(h) n. /hɪˈstɔːriən/ 历史学家 a person who studies and writes about history

(a)  

(d) v. /dɪˈskraɪb/ 描述，叙述 to give an account in words of

(a)  

(e) /ɪˈvɒlv/ v. 进化，发展；逐渐形成 to develop gradually or to cause something to develop gradually

(a)  

(c) /kəˈnekʃn/ n. 连接，关系 the state of being related to someone or something else

(a)  

(r) /reɪ/ n. 光线，射线 a narrow beam of light, heat, or other energy

(a)  

(i) /ɪnˈdʒiːniəs/ adj. 聪明的，有独创性的 very clever or original

(a)  

(s) /stretʃ/ v./n. 伸展，延伸；伸展，延伸 to extend or to cause something to extend over a distance

(a)  

(p) /pəˈspektɪv/ n. 视角，观点；透视图 a particular way of viewing things that depends on one's experience and personality

(a)  

(c) [ˌsɪvələˈzeɪʃn] n. 文明 a state of human society that is very developed and organized

(a)  

(c) /ˈsɛləbreɪt/ v. 庆祝 to observe or commemorate a significant event or occasion with festivities or other activities;

(a)  

(b) /ˈbrɪljənt/ adj. 杰出的 exceptionally clever, talented, or skilled; shining brightly and with great intensity;

(a)  

(m) /ˌmæθəməˈtɪʃən/ n. 数学家 a person who is an expert in mathematics, either by profession or by advanced study and research;

(a)  

(c) /ˌkælkjʊˈleɪʃən/ n. 计算 the process of using mathematical operations to determine a numerical result; an estimation or assessment of something;

(a)  

(m) /maɪˈnɔrəti/ n. 少数民族 a group of people who are distinct from the majority population, often due to ethnic, cultural, or religious differences.

(a)  

(a) a citizen of another country；connected with creatures from another world

(a)  

(g) A collection of stars, dust, and gas bound together by gravity

(a)  

(p) a celestial body moving in an elliptical orbit around a star.

(a)  

(c) to put things together to see how they are the same

(a)  

(a) A scientist who studies the stars and other objects in the sky

(a)  

(s) make long, longer or bigger

(a)  

(c) The central part of the earth below the mantle

(a)  

(m) (adj.) large and heavy; great in size or scope

(a)  

(s) only one

(a)  

(d) How far an object moves

(a)  

(s) appropriate

(a)  

(r) to arrive at the place that you have been travelling to

(a)  

(e) A planet outside of our Solar System.

(a)  

(t) for that reason

(a)  

(l) a maze

(a)  

(d) of or relating to dimensions

(a)  

(b) to spring back after hitting something

(a)  

(c) happening now; of the present time

(a)  

(m) very hard to explain or understand

(a)  

(v) something in which people or goods are carried from place to place

(a)  

(g) very large

(a)  

(o) Study of Earth's oceans

(a)  

(v) A number of different kinds; assortment

(a)  

(i) state of being sick

(a)  

(c) to finish

(a)  

(f) a line that separates two countries, etc.; the land near this line

(a)  

(s) a small amount or example of sth that can be looked at or tried to see what it is like

(a)  

(m) (adj.) in very great numbers; (n.) a very great number

(a)  

(a) progress

(a)  

(i) Find; point out

(a)  

(a) to find out

(a)  

(b) to carry sb./sth., especially while moving

(a)  

(c) A distinguishing feature or quality

(a)  

(s) to be in a particular place or position

(a)  

(o) Best, most desirable or favorable

(a)  

(h) keep in one's possession

(a)  

(p) existence

(a)  

(l) probability

(a)  

(r) to make known

(a)  

(p) before something else

(a)  

(e) exciting

(a)  

(o) to move in an orbit (= a curved path) around a much larger object, especially a planet, star, etc.

(a)  

(p) (n.) nearness, closeness

(a)  

(p) (adj.) appearing true, reasonable, or fair

(a)  

(p) That which is expected

(a)  

(i) to live in

(a)  

(o) something that gets in the way

(a)  

(d) intimidating

(a)  

(f) Causing fear

(a)  

(p) important; famous

(a)  

(e) To picture in the mind; to imagine

(a)  

(v) to dare

(a)  

(p) with a possibility of becoming actual

(a)  

(o) hopeful, cheerful

(a)  

(e) to come out

(a)  

(g) introducing new ideas or methods

(a)  

(p) the action of driving or pushing forward.

(a)  

(t) to change in form or appearance

(a)  

(w) someone who sees an event and reports what happened

(a)  

(h) capable of being lived in

(a)  

(c) to interest greatly; to charm

(a)  

(e) to meet

(a)  

(a) a strong desire for achievement

(a)  

(c) extremely important or necessary; of utmost significance. Example: Sleep is (a)   for maintaining good health and overall well-being.

(v) essential or necessary for survival or success; of utmost importance. Example: Water is (a)   for the survival of all living organisms.

(f) serving as a foundational or basic element; essential. Example: Understanding basic math concepts is (a)   to solving complex equations.

(c) of great importance or significance; essential for success or accuracy. Example: Paying attention to detail is (a)   in scientific research to ensure reliable results.

(i) necessary or essential for completeness; forming a vital part of a whole. Example: Effective communication skills are (a)   to successful teamwork and collaboration.

(r) to mention or direct attention to something; to point to or indicate. Example: When studying history, it is important to (a)   to primary sources for accurate information.

(i) to include or incorporate; to require participation or engagement. Example: Solving complex problems often (a)   critical thinking and analytical skills.

(e) to include or contain within a larger scope or range; to cover comprehensively. Example: The field of biology (a)   the study of living organisms and their interactions.

(c) to work together with others on a shared project or goal. Example: Scientists often (a)   with researchers from different disciplines to tackle complex scientific challenges.

(t) to approach or deal with a problem, task, or situation directly and effectively. Example: The team worked together to (a)   the difficult engineering problem and find a solution.

(a) to come near or get closer to something; to take a particular method or strategy to accomplish a goal. Example: The scientist took a systematic (a)   to conduct experiments and gather data.

(f) to promote or encourage the development or growth of something. Example: Educational institutions aim to (a)   a love for learning in students.

(d) to push forward or motivate; to have a strong determination or ambition to achieve something. Example: The desire to make a positive impact on society (a)   many scientists to pursue groundbreaking research.

(g) to collect or assemble; to come together in one place. Example: Scientists (a)   data from various experiments to support their hypotheses and draw conclusions.

(o) to succeed in dealing with or overcoming a difficulty or obstacle. Example: Despite facing numerous challenges, the team was able to (a)   them and achieve their research goals.

(f) to increase sth; to make sth stronger.

(a)  

(e) a strong feeling of excitement, interest, or passion towards something.

(a)  

(b) a limit or dividing line that defines the extent or scope of something.

(a)  

(c) the act of giving or providing something, often in terms of ideas, efforts, or resources, to a larger cause or goal.

(a)  

(s) to actively look for or search for something; to try to obtain or find.

(a)  

(e) to increase in size, volume, scope, or extent; to grow or develop.

(a)  

(u) to reveal or discover something that was previously hidden, unknown, or secret.

(a)  

(c) v. to convey or exchange information or ideas

(a)  

(p) v./n. the ability to do something or the capacity to influence others

(a)  

(w) adj. characterized by or exposed to strong winds

(a)  

(i) adj. situated or occurring within the body or an object

(a)  

(f) v./n. a material that is burned to produce energy

(a)  

(v) n. a means of transporting people or goods

(a)  

(s) v. to keep or accumulate something for future use

(a)  

(s) adj. relating to the sun

(a)  

(c) n. the process of burning something

(a)  

(s) n. a place, person, or thing from which something comes or can be obtained

(a)  

(a) v. To have enough money or resources to pay for something

(a)  

(s) adj. Extremely bad or serious

(a)  

(d) n. A prolonged period of abnormally low rainfall, leading to a shortage of water

(a)  

(s) v. To suffer or die from lack of food

(a)  

(i) n.A direction or order given to someone

(a)  

(c) adj. Feeling or showing assurance about oneself, one's abilities, or qualities

(a)  

(s) v. To make a forceful or violent effort to get free of restraint or resist attack

(a)  

(h) v. To control and make use of (natural resources), especially to produce energy.

(a)  

(p) n. the act of stopping sth bad from happening

(a)  

(e) v. to teach sb over a period of time at a school, university, etc.

(a)  

(f) adj. Popular at a particular time, in style

(a)  

(r) v. Convert waste into reusable material

(a)  

(v) adj. Worth a lot of money or highly prized

(a)  

(a) n. A condition or circumstance that puts one in a favorable or superior position

(a)  

(c) v. Move or cause to move continuously or freely through a closed system or area

(a)  

(e) adv. In the end, especially after a long delay, dispute, or series of problems

(a)  

(e) adv. To a very high degree, very

(a)  

(d) v. Show or prove something clearly and convincingly

(a)  

(d) n. A person who inhabits a particular place

(a)  

(p) adj. Existing in or yielding great quantities

(a)  

(s) n. Conditions relating to public health, especially the provision of clean drinking water and adequate sewage disposal

(a)  

(p) n./adj. Having or showing the capacity to become or develop into something in the future

(a)  

(t) adv. To an extremely large or great degree

(a)  

(a) v.Recognize the full worth of, be grateful for, or understand fully

(a)  

(f) n./v. An activity or purpose natural to or intended for a person or thing

(a)  

(i) n. a very young child or baby;

(a)  

(e) v. to hold someone tightly with arms around them, usually to show love or affection;

(a)  

(c) n. an object used for holding or transporting something;

(a)  

(i) n. a new idea or method of doing something;

(a)  

(e) v. to turn from liquid into vapor or gas;

(a)  

(d) v. to discover or notice something, especially something that is not easy to see, hear, etc.;

(a)  

(i) v. to show or suggest that something exists or is likely to be true;

(a)  

(b) v./n. a helpful or good effect, or something intended to help;

(a)  

(r) adj. able to be produced again, or replaced naturally or artificially.

(a)  

(i) v. to recognize sb/sth and be able to say who or what they are

(a)