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n. (打字机或电脑键盘的)退格键;(录像机或摄影机上的)返回装置; v. 退格,回退
vi.退后一格n.退格
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n. (打字机或电脑键盘的)退格键;(录像机或摄影机上的)返回装置; v. 退格,回退
vi.退后一格n.退格
checksummat evacuator ganglion geopolitician interfix narwhal rsj