time keeper

常见例句

用作名词 (n.)

• A chronograph is a clock device for recording information according to the time of its occurrence.
  计时仪是一种记录数据的时钟仪表，它是按照数据出现的时间加以记录的。
• The time keeper rings a bell to indicate the beginning and end of rounds.
  计时员打铃表示第一局比赛的开始和结束。
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