a race card的用法和样例：
- The Gypsies are a race constantly on the move.
- Once a year a race is held for old cars.
- Every year a race is held in England for veteran cars.
- It was a race against time to stop people dying from starvation.
- The fathers challenged the sons to a race.
- They rowed a race against Beijing University.
a race card的相关资料：