Roughometer
不平度(测定)仪, 粗糙度仪
🗣️ 情景例句
Wait with your pictures for a second.
先别忙着你的摄影。
It is a long lane that has no turning.
路必有弯。
so that I was positive I should recognize it as familiar territory.
因此，我相信这段路对我来说会是很熟悉的。