一次写入式光存储系统 disk, write once read many optical: 单写多读型光盘write once read many optical disc: 一写多读光盘write once read many optical disk: 单写多读光碟write once: 一次性写入compact disc-write once: 一次性分段写入光盘下载手机词典可随时随地查词查翻译