n.計(jì)時(shí)員;計(jì)時(shí)裝置
She is going to be a timekeeper at the track meet. 她將在田徑比賽中擔(dān)任計(jì)時(shí)員。
I'm the timekeeper for the town. 我是鎮(zhèn)的計(jì)時(shí)員。