1. Next, examine the ear canal and eardrum using an otoscope. 接下来,通过检耳镜检查一下耳道和耳膜。
2. As the pus builds up it pushes on the eardrum, causing pain. 当脓液出现,它就会挤压耳膜,造成疼痛。
3. Most infections happen in the middle ear, a pocket about the size of a small grape located just behind the eardrum. 绝大多数感染发生在中耳,一个小口袋大约有小葡萄一样大小,位于耳鼓后面。
英英解释
n.
1. the membrane in the ear that vibrates to sound