Fluids
n. 液體；流體（fluid的復(fù)數(shù)形式）
??? 情景例句
Thank you, Mr. Johnson.
謝謝你。約翰遜先生。
How long has it been since you've heard from your uncle?
自從你聽到叔叔的消息有多長時間了？
I admire him for his success in business.
我佩服他事業(yè)有成。