Benzyloxybenzaldehyde
對芐氧基苯甲醛
??? 情景例句
When is a good time to catch him?
什么時候可以找到他？
Friendship the older it grows the stronger it is.
友誼地久天長。
How long did it take you to accomplish this complicated job?
你花了多久才作完這復雜的活兒？