Refractometer
n. 折射计\\n[化] 折射计
🏥 医学释义
折射计，屈光计
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
Think nothing of it.
别放在心上。
Yes?
什么事？