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
Come on.
来吧。
I'm very pressed for cash at the moment, can I pay you next week?
我现在手头有点紧,再周再付给你行吗?
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.