Quaterisation
季铵化反应
🗣️ 情景例句
to keep working on my fashion designs.
继续我的服装设计工作。
This kind of box is not suitable for the transport of the tea sets by sea.
这种箱子不适合装茶具海运。
When a thief was caught on the premises of large jewellery store on morning, the shop assistants must have found it impossible to resist the temptation to say 'it serves him right.
“他罪有应得。