congenital absence of auditory ossicles

例句：

1. 1. The child was born with congenital hearing loss and has beenunable to hear since birth.
   这个孩子出生时就有先天性耳聋，从出生起就无法听见。
2. 2. Many people are unaware that they havecongenital hearing loss until theyexperience difficulty in hearing.
   很多人直到他们遇到听力困难才意识到他们有先天性耳聋。
3. 3. Thiscondition is often diagnosed during a child's first year of life, and earlyintervention can improve outcomes for affected individuals.
   这种状况通常在孩子出生后的头一年被诊断出来，早期干预可以改善受影响个体的结果。