scaled eyepiece

例句：

1. 1.The scales on the fish are very clear.
   鱼的鳞片非常清晰。
2. 2. The scales of the coin were worn smooth.
   硬币上的花纹磨损得光滑了。
3. 3. The scales of the dragonfly have a unique pattern.
   蜻蜓的翅膀上有独特的图案。