Diagnex
[化] 奎宁羧酸树脂
🗣️ 情景例句
Sit down, sit down.
请坐， 请坐。
We'd like to recommend our new home health monitor.
我们想推荐我们新的家庭健康监测器。
Suddenly, a middle-age lady got on the train and sat opposite Sally.
突然，一个中年妇女上了火车，坐在萨莉的对面。