Interstratification
n. [地质]间层(作用)
🗣️ 情景例句
and tell him we'll see him in a couple of months.
告诉他过几个月我们再去找他。
Fortune favours the bold.
勇者天佑。
How long did it take you to accomplish this complicated job?
你花了多久才作完这复杂的活儿？