Quaternization
(=quaternarization)季铵化作用, 成季碱反应
🗣️ 情景例句
Do you know when the bus for the Summer Palace leave?
你知道到颐和园的车几点开吗？
Don't forget to help him.
不要忘记帮助他。
but I fended off the taunts and jibes of the family good-humouredly and soon everybody got used to the idea.
但我心平气和地顶住全家人的嘲笑和奚落。不久，大家对我习以为常了，