cretaceous
(adjective)
/krɪˈteɪʃəs/
Giải nghĩa:
Relating to the last period of the Mesozoic era, when dinosaurs became extinct
Relating to the last period of the Mesozoic era, when dinosaurs became extinct
Ví dụ:
The dinosaur fossils found were from the cretaceous period.
The dinosaur fossils found were from the cretaceous period.
cretaceous
(noun)
/krɪˈteɪʃəs/
Giải nghĩa:
The final period of the Mesozoic era that came before the Tertiary period
The final period of the Mesozoic era that came before the Tertiary period
Ví dụ:
Many dinosaur species became extinct during the Cretaceous.
Many dinosaur species became extinct during the Cretaceous.
Cách sử dụng
The word "cretaceous" refers to a period of time millions of years ago when dinosaurs lived on Earth. It is also used to describe certain types of rocks and soils that were formed during this time. Scientists use this word to talk about things that happened or existed during this specific period in Earth's history.
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