Malonurea
丙二酰脲, 巴比土酸
🗣️ 情景例句
Sorry about the inconvenience.
对不起添麻烦了。
The classes are interesting, and the teachers are good.
那些课很有趣，老师又好。
We'll need all our orders packed that way from now on.
今后我们所有的货都要照样包装。