Cretaceous
a. 白垩系的, 白垩纪的\\nn. 白垩纪, 白垩系
✅ 同义词
📖 牛津释义
cretaceous
adj
(geology 地质)
1 of or like chalk 白垩质的; 似白垩的
cretaceous rock 白垩质的岩石.
2 Cretaceous of the geological period when chalk-rocks were formed 白垩纪
Cretaceous fossils 白垩纪的化石.
🗣️ 情景例句
I'm not sure I'm up to it.
我不能肯定我是否能做得来。
He who does not rise early never does a good day's work.
起身不早，一天的工作难做好。
Yes, they're free. But there's usually a long line.
是的，免费。但常常要排长队。