toothed jaw（齿形钳口）是什么意思？音标发音+图解场景

齿形钳口 /ˈtuːlz ˈtuː/ n

English: toothed jaw · 齿形钳口

释义：Striated straight or curved part that, with its twin, grasps or clamps an object.

这个词出现在以下图解场景（1）