pre-set

v (-tt-; pt, pp pre-set) [Tn, Cn.t] set (a clock, timer, etc) beforehand 预先调整（时钟、 定时器等）: She pre-set the cooker to come on at 6.30. 她把炊具预先调好在6点30分钟操作. * The video was pre-set to record the match. 录像机已预调好以便录下比赛情况.

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