求翻译：刘翔在2004年雅典奥运会上打进了男子110米跨栏决赛并且获得了金牌，成绩是12.91秒。因此他成为中国获得奥运田径冠军的第一人。是什么意思？

Liu Xiang at the 2004 Athens Olympics men's 110-meter hurdles into the finals and won the gold medals is 12.91 seconds. So he became a champion China won the first Olympic track and field people.

Liu Xiang at the 2004 Athens Olympics, scored the men's 110 meters hurdles final and won a gold medal in 12.91 seconds. Therefore, he became China's Olympics in track and field championship.

And Liu Xiang at the Athens Olympic Games sneaked in the male 110 meters in 2004 to jump a hurdle the finals to obtain the gold medal, the result is 12.91 seconds.Therefore he becomes China to obtain the Olympic Games track and field champion first person.

Liu Xiang scored at the 2004 Athens Olympic Games men's 110 meter hurdles final and won the gold medal, result was 12.91 seconds. He served on the China for Olympic track and field Championship was the first person.

Liu Xiang at the 2004 Athens Olympics men's 110-meter hurdles into the finals and won the gold medals is 12.91 seconds. So he became a champion China won the first Olympic track and field people.