Unit-2. Vocabulary Grade-7

a substance that is used for causing explosions

a river, canal (= an artificial river), etc. along which boats can travel

the things that are happening in a particular place or at a particular time

the length of sth from one end to the other

to hang sth from sth else

a thick strong metal rope

having many different kinds of things or activities

difficult to deal with; full of problems

an object that is in your way and that makes it difficult for you to move forward

to carry the weight of sb/sth