A:What's this, I wonder?
我想知道這是什么?
B:I'm not sure.Let me have a look.....It could be a coffee grinder.
我不肯定。讓我看看…它可能是咖啡研磨器。
A:A coffee grinder?
咖啡研磨器?
B:Yes,it must be used for grinding coffee beans.
是的,它一定是用來磨咖啡豆。
A:Oh,that would be very useful.
噢,它應該很有用。