Acetylic
a. 乙酰基群的
🗣️ 情景例句
And I don't have to make a quick decision.
而且我也不需很快下决定。
How long will it take you to repair it?
你要多久才能修好它？
My cousin, Harry, keeps a large curiously-shaped bottle on permanent display in his study.
我的堂兄哈里在他的书房里一直摆着一只形状古怪的大瓶子。