Diethyl oxydiformate
[建] 焦碳酸二乙酯
🧩 词语组成解析
a. [化]二乙基的
🗣️ 情景例句
Please, after you.
你先请。
Ambition never dies until there is no way out.
不到黄河心不死。
Yes?
什么事？