Quaternary cationics
[化] 季盐阳离子表面活性剂; 季铵盐阳离子表面活性剂
🧩 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
(=cation surface active agent)阳离子剂, 阳离子表面活性剂
🗣️ 情景例句
Generally speaking, we hold all disputes should be settled through friendly negatiations.
一般来说，我们主张所有争论通过友好协商解决。
Pat, pat. He is patting the kid on his head.
拍，拍。他在轻拍着那个小孩的头。
Few things could be more impressive than the peace that descends on deserted city streets at weekends when the thousands that travel to work every day are tucked away in their homes in the country.
周末，当成千上万进城上班的人回到他们的乡间寓所之后，空旷的街市笼罩着一种宁静气氛，没有什么能比此时的宁静更令人难忘了。