audible
adj. 听得见的
例句
His words were barely audible.
他的话勉强听得见。
《牛津词典》
The music was barely audible.
音乐声勉强能听见。
There followed a barely audible burp.
之后有一声很轻的饱嗝。
《柯林斯英汉双解大词典》