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
This city is just too overpopulated.
这个城市人口太过稠密。
In secondary school, children study mathmatic、phsicas and chemistry.
中学的小孩会读到数学、物理和化学。
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。