Interstratification
n. [地质]间层(作用)
🗣️ 情景例句
He is interested in collecting foreign stamps.
他对收集外国邮票有兴趣。
Keep your mouth shut and your eyes open.
要多看少说。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。