舌突起，齿担一种生理构造，位于大多数软体动物的嘴底部，在这之上齿舌来回收缩以击碎食物。
A structure at the base of the mouth of most mollusks over which the radula is drawn back and forth in breaking up food.
一种伸长的尖的齿，通常有一对，延伸至嘴外，如海象、象、野猪等动物的的长。
An elongated, pointed tooth, usually one of a pair, extending outside of the mouth in certain animals such as the walrus, elephant, or wild boar.
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