Quaternization
(=quaternarization)季铵化作用, 成季碱反应
🗣️ 情景例句
Keep this information confidential, other companies would kill to get their hands on this.
这些资料可要保密，其他公司千方百计想得到它。
Tornado
旋风，龙卷风
In England, the most popular food is fish and chips.
在英国，最受欢迎的食品是炸鱼和土豆片。