time keeper
常见例句
- 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。 返回 time keeper