Eustasy
海面进退; 海面升降; 冰河变异
🗣️ 情景例句
This is she.
我就是。
If it hadn't been for your help, we would never have finished it.
如果没有你的帮助，我们永远完不成任务。
Can't you come in and have tea now, Peter?
彼得，你现在能进来喝茶吗？