Betonicine
左旋水蘇堿, 左旋羥脯氨酸二甲內鹽
?? 擴展釋義
【化】 水蘇堿
??? 情景例句
I know. How old is she?
我知道。她多大了？
I would like to check her sewing machine.
我要去檢查她的縫紉機。
That's terrible.
真糟糕！