Palevent
古地理事件, 古地理突变期
🗣️ 情景例句
So I know.
所以我了解这些。
They are curious about what I've done with my time.
他们希望知道我一个人在做什么。
A talk? What subject should I talk about?
吉姆，讲话？我能讲什么题目呢？