ovuliferous scale

例句：

1. 1. The eggshell is made of calcium carbonate.
   蛋壳是由碳酸钙制成的。
2. 2.The scientist discovered that the oviliferous scale was a key to unlocking the secrets of life.
   科学家发现，卵壳是解开生命秘密的关键。
3. 3.The oviliferous scale is a fascinating structure in the animal world.
   卵壳在动物世界中是一个令人着迷的结构。