单词30-dash
Jamaican Usain Bolt sprinted to a second gold at the Games, winning the 200-meter dash in a world record time of 19. 30 seconds.
牙买加人波尔特奋力而跑,以19.30秒写下了世界纪录,赢得200米的金牌,这是在他运动会上的第二金。