Phenylenedimethylidyne
[化] 苯二亞甲基
??? 情景例句
Where'd you spend your vacation?
你在哪兒度的假？
Karl was so upset that he began to turn red with anger.
卡爾非常驚訝，紅著臉開始生氣了。
So where's your bike today?
那么今天您的自行車在哪里呢？