Nonquaternary
[化] 非季盐的; 非季铵盐的
🗣️ 情景例句
That's a good sign.
这是个好兆头。
She showed me her gratitude by inviting me to dinner.
她邀请我吃饭以表示她的感激。
Holiday hotels tend to cater for one nationality of visitors especially, sometimes exclusively.
假日旅馆有只接待来自一个国家的旅游者的倾向，有时会达到排他的程度。