CD-ROM
US /ˌsiː.diːˈrɑːm/
UK /ˌsiː.diːˈrɑːm/

1.
CD-ROM, 只读光盘
a compact disc used as a read-only optical memory device for a computer system
:
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I installed the software from the CD-ROM.
我从CD-ROM安装了软件。
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Many older computers still have a CD-ROM drive.
许多老式电脑仍然有CD-ROM驱动器。