a person who measures or records the amount of time taken, especially in a sports competition (尤指体育比赛中的)计时员
[usu. with adj.]a person regarded as being punctual or not punctual (不)守时者 we were good timekeepers. 我们很守时。 ■a watch or clock regarded as recording time accurately or inaccurately 计时器 these watches are accurate timekeepers. 这些表是精准的计时器。 ■(archaic)a clock (古)钟