Desilter
沉淀池, 滤水池
🗣️ 情景例句
and a new paint job in the schoolrooms.
和重新油漆教室。
He who does not advance falls backward.
不进则退。
Two men took the parcel off the plane and carried it into the Customs House.
有两个人把包裹拿下飞机，进了海关。