Laticometer
胶乳比重计
🗣️ 情景例句
Does the name Harvey Carlson ring a bell?
对Harvey Carlson这个名字有印象吗？
How old?
多老？
I can't remember.The man who I served was wearing a hat.
我记不起来了。我接待的那个人戴着一顶帽子。