a key on a typewriter or computer keyboard used to cause the carriage or cursor to move backwards
(打字机或电脑键盘的)退格键,返回键,回退键。
[mass noun] a device on a video recorder or camcorder which produces a slight backward run between shots to eliminate disturbance caused by the interruption of the scanning process
(录像机或摄影机上的)返回装置。
move a typewriter carriage or computer cursor back one or more spaces
退格,回退。