The Co-lonel's voice was barely audible.
上校微弱的声音几不可闻。
There was an audible sigh of relief.
听得出来松了一口气。
Hugh sighed audibly.
休叹了一口气。
英汉双解词典包含141091条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。