Abrasimeter
耐磨试验仪
🗣️ 情景例句
A little bird told me that Tony was going to be fired.
消息灵通人士告诉我他要被炒鱿鱼了。
I'm behind in my work.
我工作进度落后了。
What's your name, please?
请问您叫什么名字？