timekeepers in ancient china 中国古代计时器
N-COUNT A timekeeper is a person or an instrument that records or checks the time. 计时者; 计时器
This year, the world’s timekeepers will add its 24th leap second since 1972.
今年，全世界的计时员将自1972年以来第二十四次增加闰秒。
This year, the world's timekeepers will add its 24th leap second since 1972.
今年，全世界的计时员将自1972年以来第二十四次增加闰秒。
OMEGA's official timekeepers ensure timely delivery of the official results to everyone involved in the competitions they support.
欧米茄的官方计时员身份使其可以确保向赛事各相关方及时提供正式赛果。
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