Stratifications
(stratification 的复数) n. 层化, 阶层的形成, 成层\\n[医] 分层
🗣️ 情景例句
Mm, the day after tomorrow?
啊，后天？
What's bugging you?
你在烦什么？
This year we are going to help them with the rice harvest.
今年我们准备去帮他们收水稻。