Diethylmalonate
[医] 丙二酸二乙酯
🗣️ 情景例句
The mailman just dropped some mail in our box, Grandpa.
邮差刚刚塞进一些信件在我们的信箱， 爷爷。
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
That's very nice of you.
你真是太好了。