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
Just relax.
不用紧张。
My hobby is collecting butterfiles.
我的嗜好是收集蝴蝶。
He passed his exams, and even better, when he left university he had earned enough money to start his own business, offering guide services to tourists.
他考试过关了，更惬意的是，他大学毕业时，所赚的钱足够他开始经营自己的行业--为游客提供导游服务。