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
She's worked two jobs for years.
几年来他一直同时做两个工作。
He is lifeless that is faultless.
人孰无过。
Two main techniques have been used for training elephants,
驯象有两种主要的方法，