Quaternarization
[化] 季铵化作用; 门秀金反应
🗣️ 情景例句
I have a lot of work to do to get ready for tomorrow.
我得为明天做许多准备工作。
I feel the same way.
我有同感。
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。