Diethyl pyrocarbonat
[建] 焦碳酸二乙酯
🧩 词语组成解析
a. [化]二乙基的
🗣️ 情景例句
I heard the professor of that class is very good.
我听说那个班的教授很好。
Omelets are not made without breaking of eggs.
鸡蛋不打破，蛋卷做不成；不甘愿吃苦，则预期效果达不到。
She then immediately spelled the word j-u-m-p for me.
紧接着，她又为我拼写j-u-m-p这个单词。