Urinopycnometer
尿比重瓶
🗣️ 情景例句
It's all right with me
我没有问题。
He was absent yesterday. Do you know why?
昨天他没到，你知道为什么吗？
I can show you other quotations that are lower than yours.
我可以把比贵公司报价低得多的价目表给你看看。