Diureide
[醫] 二酰脲
??? 情景例句
Would you like some coffee?
要不要來點咖啡？
She is the boss in the house.
她是一家之主。
Only very thrifty children manage to fill up a money box.
但是能把儲蓄罐裝滿的只有屈指可數的幾個特別節儉的孩子。