Quaternization
(=quaternarization)季铵化作用, 成季碱反应
🗣️ 情景例句
Nice to meet you, Mr. Baker.
很高兴见到你， Baker先生。
There's a shuttle bus we can use.
我们可搭乘机场班车。
Debbie Hart is going to swim across the English Channel tomorrow.
黛比。哈特准备明天横渡英吉利海峡。