Interstratification
n. [地质]间层(作用)
🗣️ 情景例句
There are four of us including my parents, a younger sister and me.
有四口人，父母亲、妹妹和我。
I wish I could repay you somehow for your kindness.
我希望我能报答你你的善意。
That's OK.
别客气。