Lightning has struck again at the Olympics.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.

• 奥运会奇迹再次发生，牙买加选手博尔特羸得了200米的胜利，摘得了第二枚金牌，并以19.；30秒的成绩创造了新的世界纪录。