audible
单词辨析：
指声音足够大，可以被听到的。
His voice was so feeble that it was hardly audible.
他的声音微弱得叫人难以听见。
There was an audible sigh of relief.
听得出来松了一口气。
普通用词，指声音、信号等听起来很清晰的。
He has a clear speaking voice.
他说话清晰。
The sound is as clear as a bell.
声音很清晰。
The radio reception isn't very clear.
收音机的接收效果不太好。
指声音、变化等虽然微小，但仍可被注意到的。
The noise was barely perceptible to the human ear.
人的耳朵几乎是察觉不到那种噪音的。
The change is small but perceptible.
变化很小，却是可察觉的。
相关例句：
The shot was clearly audible in the silence.
寂静中枪声听得很清楚。
This is a clear visual and audible threat.
这是一种明显的视觉和听觉威胁。
There is an audible stillness, In which the common voice sounds strange.
那儿有一种听得见的寂静，在这种寂静中普通的声音听起来很奇怪。
Of or relating to humanly audible sound.
声音的属于或关于人类可听到的声音的。
His voice was unsteady and only just audible
他的声音发颤，而且小得只刚刚能听见。
Audible to dogs, lower animals.
只有狗和低等动物听得见。