ichthyolform

例句：

1. 1.The fish skin is covered with a layerof ichthyolform.
   鱼的皮肤上覆盖着一层鱼鳞状结构。
2. 2. Theichthyolform on the surfaceof the lake reflects sunlight.
   湖面上的鱼鳞状结构反射着阳光。
3. 3. Theichthyolform is believed to bea protective mechanism for the fish.
   鱼鳞状结构被认为是鱼类的一种保护机制。