In birds, reptiles and many amphibians there is only one ossicle.

鸟类 、 爬行动物和许多两栖动物只有一块听小骨.

辞典例句

Objective : To look for an ideal biological auditory ossicle.

目的: 寻找一种理想的生物人工听骨.

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The incus was the most vulnerable ossicle in the trauma to the middle ear.

:中耳外伤时,砧骨是最容易受侵及的听骨.

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