它不像豪猪的刺或其它什么的，而是在表面上有尖状的突起，使这个器官起伏不平。

Not like porcupine needles or anything, but small pointy projections on the surface that basically make the organ bumpy.

youdao

在“aspros”成为希腊语之前，它实际上曾经是拉丁语，意思是“粗糙的”，被用于形容雕刻品那凹凸不平的表面和硬币两面的不规则的的起伏。

Before the word aspros came to Greek it had actually been Latin asper meaning "rough" and was applied to the uneven surfaces of carvings and the faces stamped on COINS.

youdao

无线遥测电波在海浪环境传播时不同于陆地，海浪的表面起伏不平，表现为一定的统计规律。

Radio propagation in ocean wireless channel is different from the way in land. The ocean surface is roughness which is conformed to some statistical law.

youdao