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
Stopping by Woods on a Snowy Evening.
雪夜林边小驻足。
How much is the postage for this?
这个邮费要多少钱？
he is lending the bank money, repayment of which he may demand at any time,
就等于把钱借给了银行。这笔钱他可以随时提取，