耳鼓：内耳孔上覆盖的耳鼓膜往往是平的或者微微凹陷；耳鼓鼓胀很常见，同时如果不经过及时治疗往往也很致命。

EARS: the membranes covering the inner ear should be either flat or slightly concave; ear abscesses are very common and can have fatal consequences if treatment is not obtained.

youdao

耳鼓：内耳孔上覆盖的耳鼓膜往往是平的或者微微凹陷；耳鼓鼓胀很常见，同时如果不经过及时治疗往往也很致命。

EARS: the membranes covering the inner ear should be either flat or slightly concave; ear abscesses are very common and can have fatal consequences if treatment is not obtained.

youdao