Allene
丙二烯, [pl. ]二烯烃, 丙二烯衍生物
🔁 扩展释义
【化】 丙二烯【医】 丙二烯
🗣️ 情景例句
Robbie just went to the store.
Robbie刚去商店。
To run a race
竞争
Oh, doctor. He seems terribly ill. Are you sure it's nothing serious?
噢，医生。他似乎病得很厉害。你肯定不是什么大病？