racer

1. N-COUNT A racer is a person or animal that takes part in races. 参赛者; 参赛动物

Tim Powell is a former champion powerboat racer. 蒂姆·鲍威尔曾是汽艇比赛的冠军。

2. N-COUNT A racer is a vehicle such as a car or bicycle that is designed to be used in races and therefore travels fast. (比赛用的) 车辆; 赛艇

...everything from small boats to ocean racers. …从小船到海洋赛艇等所有的一切。