Eustatism
海面升降性, 海面进退性
🗣️ 情景例句
You're very generous.
你真慷慨。
False friends are worse than open enemies.
明枪易躲，暗箭难防。
When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it.
倾倒、焚烧、把垃圾变成再生材料或试图少产生一些垃圾。