time keeper造句

1、OMEGA, one of its luxury brands, has been the official time keeper of Olympics for 23 times.
其旗下的欧米茄（OMEGA）23次成为奥运官方指定计时器。

2、The time keeper rings a bell to indicate the beginning and end of rounds.
计时员打铃表示第一局比赛的开始和结束。

3、Of course. You are the time keeper here.
当然，时间您说了算。