Probably not in a bicycle accident! In the entire U.
在全美，或许不仅是自行车造成意外事故。
The delay launching Discovery cost the crew its lead spacewalker, Tim Kopra, who was injured in a bicycle accident in January.
本次发现号的推迟发射致使其太空行走的主要人员蒂姆。孔普拉未能升空。他在一月的一次自行车事故中受伤。
In addition, the frequencies of hip fractures caused by bicycle accident and falling down from a high altitude were slightly higher in males than in females.
除了骑自行车摔倒外，男性由自行车撞倒和高位跌下引起骨折的频率稍高于女性，但无太大差别。
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