Quaternarization
[化] 季铵化作用; 门秀金反应
🗣️ 情景例句
Designing dresses is a career
设计时装是一种职业
Once a knave,ever a knave.
一次成无赖，永远是无赖。
Let's go together then. I'll meet you at the theatre at six-thirty.
到时咱们一块儿去看吧。我六点半在剧院跟你会面。