Stersthal
[医] 酞磺醋胺, 羧苯甲酰磺乙酰胺, 酞酰磺乙酰胺
🗣️ 情景例句
This spring is the origin of the brook.
这泉水是那条小河的源头。
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
Really?
真的吗？