a perforated eardrum
鼓膜穿孔
1.【解】耳鼓
1.a piece of tightly stretched skin inside your ear that vibrates when sound reaches it
1.If the pressure is not able to be equalized, the eardrum will be distended, causing pain or temporary impairment of hearing.
如不能取得平衡，鼓膜eardrum便会因此而膨胀，导致耳痛或暂时性失聪。
2.But the Cavaliers head of the eardrum being pressed humming counting heads for chaos, listen to how he said it was.
但骑士团长耳鼓被压得嗡嗡作响，满脑子混乱，怎么听得到他说话呢。
3.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。
4.Slide the speculum slightly down and forward, and maneuver it until you can see as much of the eardrum as possible. . .
轻轻地把检查镜往下和往里滑入，直到操作到你能看到全部的耳膜。
5.Note the color and contour of the eardrum with its distinct cone of light. Normally, the drum is pearly gray.
注意一下耳膜的颜色和外形通过核心的灯光。通常情况下，鼓膜是珍珠灰色的。
6.middle ear, with an eardrum and a few little bones.
我们知道，在外耳中孔的底部有东西称为中耳，它由一个耳鼓和一些小骨骼构成。
7.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。
8.Auditory meatus, external The passageway leading from the outside of the head to the tympanic(eardrum)membrane.
由头外部（耳廓）至鼓膜的通道。
9.The eustachian tubes connect the middle ears to the pharynx, allowing air pressure on the eardrum to be equalized.
咽鼓管将中耳连接到咽上，可调节作用在鼓膜上的气压。
10.He suffered a perforated eardrum after being beaten and is now partially deaf.
他在被毒打之后导致耳膜穿孔，目前已经半聋。