[] the top of a desk桌面；案头◆a desktop machine/PC台式机器／个人电脑◆desktop tools, such as computers and telephones案头工具，如电脑和电话
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desktop computer () a screen on a computer which shows the icons of the programs and files that can be used（电脑）桌面◆Click on the file and drag it to your desktop.点击这文件并将它拖到桌面上。