Malonurea
丙二酰脲, 巴比土酸
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
Men too seldom see their own faults.
人们很少能看到自己的过错。
How ever you may work hard, the boss will not be fully satisfied.
无论你有多努力，老板总不会完全满意。