The pinna, the malleus and the stapes are all parts of what?

耳廓、骨、镫骨这些结构来自什么部位？

The malleus, the pinna and the stapes are all parts of what?

骨，耳廓和镫骨都是什么？

They use the wide 'hammer' on the front of their heads to help them catch their favorite food—stingrays—by trapping them against the sea floor.

它们会通过用头部前端宽骨把猎物抵在海床上，来捕捉它们最爱吃黄貂鱼。

AZUZ : Ten-second trivia: The malleus, incus and tympanum are all parts of what?

十秒钟小知识：骨，骨、砧骨和耳膜都是什么一部分?

One end of the malleus connects to the inner eardrum and moves back and forth when the drum vibrates.

骨一端与内鼓膜相连，当鼓膜振动时来回移动。

And it does this using the auditory ossicles — a trio of the smallest, and most awesomely named bones in the human body: the malleus, incus, and stapes, commonly known as the hammer, anvil, and stirrup.

它用听骨来完成这一过程——人体中最小三块骨头，也是最令人敬畏骨头：骨、砧骨和镫骨，通常被称为子、铁砧和马镫。

The vibrating eardrum jerks a bone called the hammer, which hits the anvil and moves the third bone, called the stapes.

震动鼓膜拉动一块名为骨骨头，骨撞击砧骨，进而移动第三块骨头——镫骨。