同根派生 英汉例句用作名词 (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。