Revealing imposing rows of toothlike structures, it takes the first bite.

盲鳗露出一排排气派的齿状结构，它咬下了第一口。

The researchers also attributed part of a large jawbone with toothlike structures to the species.

研究人员还将具有牙齿状结构的大颚骨的一部分归因于该物种。

The ridges on the roof of a mouse's mouth, the spacing of bird feathers or the hair on your arms, even the toothlike denticle scales of sharks.

老鼠嘴巴顶部的脊，鸟类羽毛的行间距或手臂上的毛发，甚至鲨鱼的牙齿状的密度鳞片。