denticulate hinge

例句：

1. 1. The teeth of the snail are denticulate.
   蜗牛的牙齿是齿状的。
2. 2. The toothpaste was denticulated to remove stains.
   牙膏被制成齿状以去除污渍。
3. 3. The skeleton of the fish is denticulate.
   鱼的骨骼是齿状的。