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
There is still a week to go before the vacation begins.
现在距离假期还有一星期。
He was unfairly blamed.
他被错怪了。
Excuse me!
打扰一下。