Aldolize
醛醇化
🗣️ 情景例句
Family Album, U.S.A.
美国写真集 。
Shall you excuse his ignorance?
你要原谅他的无知吗？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，