Quaternarization
[化] 季铵化作用; 门秀金反应
🗣️ 情景例句
2,3,4 ... now switch. ... 2 3 4
……现在 左右交替……
Compared with the price in the international market, our quotation is quite reasonable.
和国际市场价格相比，我方报价相比较合理。
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。