Alkylammonium
烷基铵
🗣️ 情景例句
I really want to go back to work,
我真的想回去工作，
Why are you so much taller than I?
你为什么个子比我高那么多？
2 Two friends meet at school on the first day of term.2
两个朋友于新学期的第一天在学校见面。