Alro quaternaries
[化] 阿耳绕季盐
🧩 词语组成解析
[化] 季盐; 季铵盐类
🗣️ 情景例句
I don't usually listen to the weather. They never get it right!
我不怎么听天气预报。他们总报不准。
I feel guilty because I haven't written her lately.
因为我最近没给她写信，我感觉到有罪。
Girls' 100-metre race: first -- Wu Dong!
女子100米赛跑：第一名--吴东！