Quaternarization
[化] 季铵化作用; 门秀金反应
🗣️ 情景例句
Even when I have a cold, I still have a good appetite.
我就是感冒了，胃口也照样很好！
I don't know where I've seen him before.
我不晓得在哪儿见过他。
And we can have a drink of orange, too!
我们还可以喝杯橘子汁。