比赛前我们先做个热身活动来开场。

Let's ___start off the game with a warm-up exercise.

发令枪一响，游泳选手们就猛地冲了出去。

The swimmers ___started off the moment the starting signal sounded.

这笔启动资金真正启动了他的创业项目。

The seed money really ___started off his entrepreneurial project.