- audio input声频输入（端），音频输入（端）;
- audio frequencyn.成音频率，音频;
- audio file语音文件;
- audio CD[医]激光唱盘;
- book valuen.账面价值;
- book up预订，预订座位;
- book store书店
- book shop书店;
- book reviewn.书评;
- book of travelsn.游记;
- book of booksn.圣经;
- book learningn.书本知识;墨水;
- book keeping簿记
- book jacketn.皮书套;书皮;护封;
- book in签到，登记;为…订房间;
- book fair书展，书籍义卖（或拍卖）;
- book endn.书夹，书靠;书立;
- book cost账面成本;
- book clubn.<美>读书俱乐部（一种以优待价格向其成员出售书籍的组织）;
- book bag书包
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