Betonicine
左旋水苏碱, 左旋羟脯氨酸二甲内盐
🔁 扩展释义
【化】 水苏碱
🗣️ 情景例句
I really appreciate you coming over to help me with my math.
我真的很感谢你过来帮我补习数学。
I hope not.
我希望不会。
The temperature drops to -- 30 o and very few people attempt to cross the Pass.
气温下降到零下30度，试图跨越山口的人寥寥无几。