Terpadiene
[化] 萜二烯
??? 情景例句
It's a beautiful day, isn't it?
今天天氣真美，是吧？
We want to raise our children to be decent men and women.
我們要把我們的孩子培養(yǎng)成正派人。
However, my enthusiasm waned.
而這時(shí)我的熱情卻減退了。