Terpadienone
萜二烯酮
??? 情景例句
He has to drive for twenty minutes to get from his house to his office.
從他的家到他的辦公室有20分鐘的車程。
I can't tell you how happy this makes me.
我形容不出來我有多高興。
Nothing much. Why?
沒啥事。怎么啦？