racer
n. 比赛者；比赛用的汽车；参赛者，参赛动物；游蛇；（重型火炮的）转台；（比赛用）车辆，赛艇；参赛选手；（服装）T 背的
复数 racers
例句
Tim Powell is a former champion powerboat racer.
蒂姆·鲍威尔曾是汽艇比赛的冠军。
《柯林斯英汉双解大词典》
"In fact, anyone wishing to try race walking should probably first consult a coach or experienced racer to learn proper technique," she says.
她说：“事实上，任何想尝试竞走的人可能应该首先咨询教练或有经验的竞走者，学习正确的技术。”
"It's better and it's safer, " one racer said.
其中一个说，“这样更爽快，而且更安全。”
