Halomethylation
卤甲基化作用
🗣️ 情景例句
Wait! Don't hang up!
等等， 别挂断电话！
Nothing so necessary for travellers as languages.
旅行者最需要的是几种语言。
He was sent to prison for failing to pay his debts and died in poverty in 1836.
他因无力还债而被捕入狱，最后于1836年在贫困中死去。