Quaternaries
[化] 季盐; 季铵盐类
🗣️ 情景例句
and Philip was opening his first medical office.
而Philip则第一次开诊所。
I guess so.
这样也好。
We were very much surprised when the snake charmer suddenly began to play jazz and modern pop songs.
当耍蛇人突然又吹奏起爵士乐和现代流行乐曲时，我们感到非常惊奇。