eardrum

名词 eardrum:

1. the membrane in the ear that vibrates to sound
   同义词：tympanum, tympanic membrane, myringa

1. My right eardrum have become infect.
   我的右耳鼓已经感染了。
2. 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

ear.drum

n.Anatomy （名词）【解剖学】
The thin, semitransparent, oval-shaped membrane that separates the middle ear from the external ear.Also called tympanic membrane ,tympanum
耳鼓：一种薄的、椭圆形的半透明膜，将中耳与外耳分隔开来也作 tympanic membrane,tympanum