Diethyl malonate
[化] 丙二酸二乙酯
🧩 词语组成解析
a. [化]二乙基的
丙二酸
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
Why don't you join us?
你不加入我们吗？
The first tests on the Solent in 1959 caused a sensation.
在1959年，在苏伦特海峡进行的首次试航引起了轰动。