单次写入读取多次光碟 disk, write once read many optical: 单写多读型光盘write once read many optical disk: 单写多读光碟cd write once read many times: 一次性写入多次读出型光盘disk write once read many compact: 单写多读型光盘write once read many optical disc: 一写多读光盘下载手机词典可随时随地查词查翻译