Glaciations
(glaciation 的复数) n. 冻结成冰, 冰川作用
🗣️ 情景例句
Be prepared to discuss details and be ready to answer questions.
应随时准备好讨论细节和回答对方的疑问。
I asked him to clean it for me, but he wouldn't.
我请他帮我清理，但是他不肯。
Is everyone here today?
今天每个人都到吗？