Officials include a referee, judges and a timekeeper.

裁判人员包括一名台上裁判员、若干台下评判员和一名计时员。

The factory timekeeper keeps account of the hours of work done.

工厂出勤时间计时员记录工作的时间。

This clock is a good timekeeper.

这钟是一个很好的计时器。