Divinyl acetylene
[建] 二乙烯基乙炔
🧩 词语组成解析
联乙烯
n. 乙炔, 电石气\\n[化] 乙炔; 双亚乙基
🗣️ 情景例句
My visa is multi-entry; it allows me to exit the country and then re-enter, as ofter as I like.
我的签证是往返签证，我可以随便进出这个国家。
I should say you've caught a cold.
我看你感冒了。
In time, it became an accepted fact the Cox brothers employed a conscientious ghost that did most of their work for them.
随着时间的流逝，考科斯兄弟雇了一个尽心尽责的鬼，他们家的活大部分都让鬼给干了，这件事成了公认的事实。