n. someone who drives racing cars at high speeds
n. a fast car that competes in races
n. an animal that races
n. slender fast-moving North American snakes
n. 比赛者, 游蛇属黑蛇
1. The racer sped around the track to win the championship.
这位赛车手在赛道上飞速前进，赢得了冠军。
2. She is a talented racer who has won many awards.
她是一位有才华的赛车手，获得了许多奖项。
3. The young racer dreams of competing in the Olympics one day.
这位年轻的赛车手梦想有一天能参加奥运会。