OD4 Voc 4

noun a big wild animal that lived a long time ago

Answer explanation

khủng long

noun the bones in the head of a person or an animal

Answer explanation

sọ

noun a small, deep, narrow valley

Answer explanation

khe núi

noun to look carefully at someone or something

Answer explanation

kiểm tra, khảo sát

verb to find or learn something for the first time

Answer explanation

khám phá

verb to dig in the ground to look for old object or buildings that have been buried for a long time

Answer explanation

khai quật

noun something flat that lies on another thing or that is between other things

Answer explanation

lớp

noun a person who studies very old, dead animals or plants as fossils

Answer explanation

nhà cổ sinh vật học

noun the grey powder that is left after something has completely burnt

Answer explanation

tro

noun the grey powder that is left after something has completely burnt

Answer explanation

đá trầm tích