Understrata
n. 底层 (understratum的变形)
🗣️ 情景例句
Why do you always tell me at the last minute? Think of my position too.
为什么你总是到最后关头才告诉我？你也替我想想啊！
What is happening up there?
上面发生什么事情？
It was your turn to wash them yesterday.
昨天轮到你把它们洗干净。