key off

短语

发音

US

词形变化

keyed off keying off keys off 三单 keys off keying off 现在分词 keyed off 过去式 keyed off 过去分词

释义与例句

v.
  1. 1.

    To take something as a controlling input datum.

    计算机 工程 数学

    This logic keys off the user's social security number.

  2. 2.

    To turn off something (e.g. a car) using a key.

    She keyed off the ignition and went into the house.