Backscour
反向沖刷
??? 情景例句
I would like to make an appointment for a hairdo, please.
我想預約理發， 勞駕。
It's only a matter of time.
這只是時間問題。
The mower firmly refused to mow, so I decided to dismantle it.
修完后割草機還是紋絲不動。于是，我決定把它拆開。