acts out of the race的用法和样例：
- He dropped out of the race because of a sprained ankle.
- He could not keep up and dropped out of the race.
- It's very disappointing to go out of the race.
- Smith bowed out of the race for governor.
- Bill's horse was put out of the running early in the race.
- He runs out of strenghs shortly before the end of the race.