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

、锤骨、镫骨这些结构来自么部位？

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

十秒钟的小知识：锤骨，锤骨、砧骨和都是么的一部分?

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

锤骨，和镫骨都是么？

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

锤骨的一端与内鼓，当鼓振动时来回移动。

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.

它们会通过利用头部前端宽大的锤骨把猎物抵在海床上，来捕捉它们最爱吃的黄貂鱼。

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.

它利用听骨来完成这一过程——人体中最小的三块骨头，也是最令人敬畏的骨头：锤骨、砧骨和镫骨，通常被称为锤子、铁砧和马镫。