Diolefins
二烯属; 二烯属烃
🗣️ 情景例句
Maybe we'll all care now.
也许我们大家现在都关心起来了。
A thief is a thief, whether he steals a diamond or a cucumber.
偷多偷少都是贼。
Have you hurt yourself?
你摔伤了没有？