Hppler (rolling ball)viscosimeter
[化] 郝普勒落球粘度计
🗣️ 情景例句
Is it that serious a problem, Grandpa?
这个问题有那么重要吗，爷爷？
Dinner is on me.
晚饭我请客。
Our last order arrived damaged because of the packaging.
上次叫的货因为包装太差送到后都损毁了。