compete in / drop out of a race

参加/退出比赛

Finishing this project by December is going to be a race against time.

要在12月之前完成这个项目，我们需要争分夺秒。

The race is on to develop more environmentally friendly forms of energy.

人们正在竞相开发更加环保的能源。

I’ll race you to the corner.

我和你比赛看谁先跑到拐弯处。

Our nation welcomes people of all races, colors, and religions.

我们国家欢迎不同种族、肤色和宗教信仰的人。

The human race is using up Earth’s resources.

人类正在逐渐用尽地球的资源。