China's star trackathlete Liu Xiang has admitted he has not fully recovered from a hamstring injury, but says he is confident of Olympic success.
中国田径明星运动员刘翔承认,他的脚筋损伤还没有完全恢复,但他仍然对奥运会的成功信心十足。
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Dropping out this time is the trackathlete who won over fans in Beijing: Jamaican Usain Bolt, who sprinted to three world records at the Games and has continued breaking them since.
The Vancouver Winter Olympics got off to a bad start when a Georgian athlete was killed while training for the luge event; other competitors had denounced the track as dangerous.