Stratifications
(stratification 的复数) n. 层化, 阶层的形成, 成层\\n[医] 分层
🗣️ 情景例句
There's Mother and Grandpa ...
有妈妈和祖父呢……
What a boring movie it is!
多么无聊的一场电影啊。
its movement would be recorded in ink upon its surface.
纸的表面就会用墨水记录下地板运动的情况。