inaudibility
/ɪnˌɔːdəˈbɪləti/the quality of not being perceptible by the ear
noun [抽象名词] 听不见；不可闻
The inaudibility of his whisper made it difficult for anyone to understand his message. 他耳语的不可听性使得没人能听懂他的信息。
The inaudibility of his whisper made it difficult for anyone to understand his message. 他耳语的不可听性使得没人能听懂他的信息。