deafness
US /ˈdef.nəs/
UK /ˈdef.nəs/

1.
耳聾, 失聰
the condition of being unable to hear, either completely or partly
:
•
She has suffered from partial deafness since childhood.
她從小就患有部分耳聾。
•
The new technology aims to help people with severe deafness.
這項新技術旨在幫助患有嚴重耳聾的人。