Interstratification
n. [地质]间层(作用)
🗣️ 情景例句
He made a pretty fortune by selling all his land.
他卖了所有的土地发了大财。
There are always two sides to everything.
任何事情哒都有2个方面。
and that this happens at a rate which differs little from person to person,
衰老的速度在人与人之间相差甚微，