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(tīng)的聲音。這種設(shè)備嵌到耳朵上或耳朵里
3. Both audible and visible.
   視聽(tīng)的聽(tīng)覺(jué)的和視覺(jué)的
4. Her voice was scarcely audible above the noise of the wind.
   在風(fēng)中她的聲音幾乎聽(tīng)不見(jiàn)。

au.di.ble

adj.（形容詞）
That is heard or that can be heard.
可聽(tīng)見(jiàn)的，聽(tīng)的見(jiàn)的：聽(tīng)見(jiàn)的或能夠被聽(tīng)見(jiàn)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(lái)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(tīng)] *參見(jiàn) au-

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