Diolefin
n. [化]二烯
🗣️ 情景例句
Where can I find the stick deodorant?
我在哪能买到棒状除臭剂？
True blue will never stain.
真金不怕火。
But so far, the public has expressed its gratitude to the students in letters to the Press.
但到目前为止，公众已经向新闻界写信表达他们对学生们的感激之情了。