Allylic
烯丙基的
🗣️ 情景例句
Now would be a good time, I think, for some introductions.
我想，下面是作些介绍的时候了。
True praise roots and spreads.
表扬真实，根深传远。
Will you see Ian today,Jenny?
詹尼，您今天会见到伊恩吗？