Quaternary ammonium bases
[医] 季铵硷
🧩 词语组成解析
a. 四个一组的, 四元的, 四价的, 季的\\n[计] 四进制的, 四元的
n. 铵\\n[化] 铵
pl. 基础, 军事基地, 主要成分, 根据\\n[医] 基底, 底
🗣️ 情景例句
Thanks. But I have a question.
谢谢。但我想问一下
I know the boy whose father is a dentist.
我知道那个男孩的父亲是牙医。
He always took off his shoes and threw them on the floor.
他总是脱下鞋子，把它们丢在地板上。