Throughflow
n. (液體、氣體等的)通流,直流
??? 情景例句
I'll get it. Hello.
我去開(kāi)門(mén)。哈啰。
Mr. Wagner, do you have a hotel reservation?
華格納先生，你預(yù)訂過(guò)旅館嗎？
That costs quite bit more.
那要多花好多錢(qián)。