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单词
ˌoptical ˈdisk
释义
ˌoptical ˈdisk
NOUN
C
COMPUTING
a thin flat round piece of plastic that stores information such as music or written words that can be read using a laser (= powerful narrow light) . Optical disks include cd-roms and laserdiscs. （用以储存音乐或文档等信息并可用激光器读出的）光盘