Diethylmalonate
[医] 丙二酸二乙酯
🗣️ 情景例句
No smile, no surprise.
不笑 ，就不给你惊喜。
What's your favorite kind of animal?
你最喜欢的动物是什么？
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。