Hppler (rolling ball)viscosimeter
[化] 郝普勒落球粘度计
🗣️ 情景例句
My mother is a housewife and my father is retired.
我妈妈是家庭妇女，我爸爸退休了。
She's a sweet woman, don't you think so?
她是可爱的女人，你不觉得吗？
I can understand why.
其原因我能理解。