Roughometer
不平度(测定)仪, 粗糙度仪
🗣️ 情景例句
Compliments of the Watermill Inn. Watermill Inn
请客。
I wish we had a baby.
我希望我们有个小宝宝。
Since the sea covers the greater part of the earth's surface,
既然海洋覆盖着地球的大部分表面，