Undersieves
筛下料
🗣️ 情景例句
Do you know when the bus for the Summer Palace leave?
你知道到颐和园的车几点开吗？
I don't care what you say.
我不在乎别人怎么说。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。