[, ]a plastic disc on which large amounts of information, sound and pictures can be stored, for use on a computer 只读光盘存贮器；只读光盘；唯读光碟◆The software package contains five CD-ROMs. 这软件套装包含 5 张只读光盘。◆The encyclopedia is available on CD-ROM. 这百科全书有光盘可供选购了。◆a computer with a CD-ROM drive 配有只读光盘驱动器的计算机➡ picture at office ⓘ CD-ROM is an abbreviation of ‘compact disc read-only memory’. CD-ROM 是 compact disc read-only memory 的缩写。