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
a way to encourage reading.
鼓励阅读的办法。
His words please her.
他的话使她高兴。
It was the last day of the year and a large crowd of people had gathered under the Town Hall clock.
那是一年的最后一天，一大群人聚集在市政厅的大钟下面。