eardrum

['iədrʌm]

n.中耳,耳鼓,耳膜

例句与用法：

My right eardrum have become infect.

我的右耳鼓已经感染了。

An instrument for examining the interior of the ear, especially the eardrum, consisting essentially of a magnifying lens and a light.

耳镜，检耳镜检查耳内部(尤其是中耳)的仪器，主要包括一个放大镜和光源

详细释义：

n.

中耳; 鼓膜