Quaternarization
[化] 季铵化作用; 门秀金反应
🗣️ 情景例句
I guess you're right.
说的也对。
I am not sure such data does exist.
我不确定是否有这样的资料存在。
His wife was sitting beside him holding a large cake.
司机妻子正坐在他身边，手里托着块大蛋糕。