Eustasy
海面进退; 海面升降; 冰河变异
🗣️ 情景例句
I will. See you later.
我会告诉她的。再见！
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
Friday, Saturday and Sunday in the country!Aren't you lucky!
星期五、星期六和星期日在乡下过！你们真幸运啊！