Allylene
(=methylacetylene)丙炔, 甲基乙炔
🔁 扩展释义
【化】 丙炔
🗣️ 情景例句
What did they say?
他们说什么?
What day is today?
今天是星期几？
In England they call this line a queue. You must always wait in a queue.
在英国人们把这样的行列叫队。等车时你总得排队。