Interstratification
n. [地质]间层(作用)
🗣️ 情景例句
Well, it's too bad that you have to go.
真遗憾，你要走了。
We prepared a picnic lunch and drove down by the river.
我们准备了野餐午餐并沿河边向下开车。
Yes, I do.
有啊。