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
There's a big market today in wedding dresses.
结婚礼服在目前有很大的市场。
Waste not, want not.
俭以防匮。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。