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
You are a terrific instructor, Jack.
你真是个了不起的教练 Jack。
Heh, heh, my bag is large but light.
哈，哈，我的袋子虽然大，但是轻啊。
I was very glad when the boys won the relay race.
我非常高兴，男同学在接力赛中获胜。