英语词根（七）：aud, audit = to hear 听

audit：audit = to hear听；

【v】①（在大学）旁听：to audit a history course at college旁听大学历史课程；②审查（账目）：The yearly accounts will be audited by a special committee.年度账目将由特别委员会审查。

audition：audit = to hear听；    -ion [n] = the act表行为；

【n】①听；②（对演员等）试听，试镜：to give an audition to a singer听歌手试唱决定是否录用

audience：aud = to hear 听；    -i-；    -ence [n] = the act or state 表行为或状态；

【n】①会见；接见：The foreign guests had an audience with the mayor. 外宾拜会了市长。②听众：There will be a large audience today. 今天会有很多听众。

auditorium：audit = to hear 听；    -orium [n] = place场所；

【n】①礼堂；演讲厅；②听众席：The author was found sitting in the auditorium.有人发现作者正坐在听众席中。

audible：aud = to hear听；    -ible [adj] = capable of being 能被······的；

【adj】听得见的：Their whispers are hardly audible. 他们窃窃私语，别人听不见。

inaudible：in- = no, not, opposite无，不，非；    aud = to hear听；    -ible [adj] = capable of being 能被······的；

【adj】听不见的：The noise of the machinery made her voice inaudible.机器的噪声淹没了她的声音。

audile：aud = to hear听；    -ile [adj] = pertaining to ······的；

【adj】关于听的，听觉的：audile power 听的功能；

auditory：audit = to hear 听；    -ory [adj] = relating to 与······有关；

【adj】听觉的：auditory nerves听觉神经；

audiology：audi = to hear 听；    -o-；    -logy [n] = branch of science 一门科学；

【n】听觉学；

audio：aud = to hear听；    -io >>> of hearing与听有关的；

Ⅰ【adj】声音的，声波的：audio frequency音频；

Ⅱ【n】播音，录音：My television set has a good picture but weak audio.我的电视机图像清晰，但是收音不好。