日本、澳大利亚和美国的体育官员表示，对于空气污染对运动员的影响感到担忧。
Sports officials from Japan, Australia and the us have expressed concern about the effects of air pollution on athletes.
刘翔作为中国的模范，中国体育官员曾毫不隐瞒的表示，刘翔拿不到金牌将是件令人无法接受的事情。
Liu is a China poster boy; its sports officials have made no secret that anything less than gold is unacceptable.
其中一位授课者是北京体育大学的教授易剑东，他谈到了一个比较禁忌的话题：中国体育官员对金牌的热衷。
One of the speakers was Yi Jiandong, a professor from Beijing Sports University, who brought up a taboo topic: Chinese sporting officials' obsession with gold MEDALS.
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