auditory masking

例句：

1. 1. The sound of therain on the roof was audibleto anyone standing outside.
   雨滴落在屋顶上的声音，站在外面的任何人都能听到。
2. 2. Insome cases, auditory masking canbe used to improve the clarity of speech.
   在某些情况下，可以采用听觉掩蔽来提高语音的清晰度。
3. 3. Auditory masking is animportant factor in understanding speech innoisy environments.
   在嘈杂的环境中理解言语时，听觉掩蔽是一个重要因素。