Trichloroethanal
氯醛
??? 情景例句
I have an announcement to make.
我要宣布一件事。
How many pieces are you going to buy?
你要買幾個？
Many of the cars broke down on the course and some drivers spent more time under their cars than in them!
很多汽車在途中就拋了錨，而有些駕駛員花在汽車底下的時間比坐在汽車里面的時間還長。