inaudible

/ɪnˈɔːdəbl/📚 6907
If a sound is inaudible, you are unable to hear it. 听不见的

adjective [原级]听不见的;不可闻的

His voice was almost inaudible.
他的声音几乎听不到。

audi- aud(i),audit=hear,表示“听”inaudible adj.听不见的(in 不+audi+ible)
单词造句:
网友用“Inaudible”造句精选
His weak voice was almost inaudible. 他声音微弱得几乎听不到。
The whistle was inaudible to the human ear. 这种啸声人耳听不到。