timekeeper
n. 计时员；计时装置
形容词：timekeeping
近义词：clock，horologe，timepiece，timer，
英英释义
Noun
- (sports) an official who keeps track of the time elapsed
- a clerk who keeps track of the hours worked by employees
- a measuring instrument or device for keeping time
例句
用作名词(n.)
- She is going to be a timekeeper at the track meet.她将在田径比赛中担任计时员。
- I'm the timekeeper for the town.我是镇的计时员。