Abrasiometer
[化] 磨耗试验机
🗣️ 情景例句
Fine, Grandpa. Fine!
很好 ，爷爷， 很好！
The post office is in the middle of the block, You can't miss it.
那邮局就在街区的中间，很好找。
Sure! When do you want it?
当然可以！您什么时候要？