Titrand
[化] 被滴定物
🗣️ 情景例句
Did you pay for that?
你付钱了没有？
We are very interested in your printed pure silk scarves, could you give us some idea about your price?
我们对贵方的印花真丝围巾很感兴趣，请介绍一下贵方的价格好吗？
Are you making progress?
有进展吗？