Hppler (rolling ball)viscosimeter
[化] 郝普勒落球粘度计
🗣️ 情景例句
I think I'm quite proficient in both written and spoken English.
我认为我在英语读写方面相当熟练。
How did you recognize him?
你是如何认识他的？
I'm changing my hotel. I'll drop in and leave the new address.
我就要换一家旅馆了。我会顺便再来一趟，把新地址留下来的。