名詞 audible:

1. a football play is changed orally after both teams have assumed their positions at the line of scrimmage

形容詞 audible:

1. heard or perceptible by the ear
   同義詞：hearable

1. An audible and/or visible signal used to signify the existence of some error or abnormal condition in the system.
   由音響或顯示設(shè)備發(fā)出的信號(hào)，用以表示系統(tǒng)出現(xiàn)了錯(cuò)誤或異常情況。
2. A device that converts electric signals, as from a telephone, stereo, or radio receiver, to audible sound and fits over or in the ear.
   耳機(jī)一種傳遞電子信號(hào)的設(shè)備，比如從電話、立體聲或廣播接收器上傳出可聽的聲音。這種設(shè)備嵌到耳朵上或耳朵里
3. Both audible and visible.
   視聽的聽覺的和視覺的
4. Her voice was scarcely audible above the noise of the wind.
   在風(fēng)中她的聲音幾乎聽不見。

au.di.ble

adj.（形容詞）
That is heard or that can be heard.
可聽見的，聽的見的：聽見的或能夠被聽見的
n.（名詞）
Football A new or substitute offensive play called by the quarterback or a defensive formation called by a linebacker at the line of scrimmage as an adjustment to the opposing side`s formation.Also called automatic
【橄欖球】 改變打法：一種在橄欖球爭(zhēng)球線上作為就對(duì)方陣勢(shì)的調(diào)整，由四分衛(wèi)發(fā)令的新的或替代進(jìn)攻打法，或由后衛(wèi)發(fā)令的防守陣勢(shì)也作 automatic

來源：
Late Latin audobilis
后期拉丁語(yǔ) audobilis
from Latin audore [to hear] * see au-
源自 拉丁語(yǔ) audore [聽] *參見 au-

【引伸】
au.dibil.ity
n.（名詞）
au.dibleness
n.（名詞）
au.dibly
adv.（副詞）