Eustatism
海面升降性, 海面进退性
🗣️ 情景例句
We will help your children in learning lessons in their free time.
我们可以帮助您的孩子在他们空闲时学习功课。
He hasn't done any worthwhile work in five years.
这五年来他没做过一件正经事。
Neither you nor he is wrong.
你没错，他也没错。