She parked at the track and ran until she could run no more, until her sleeveless FSU sweatshirt was dark with sweat down the front and back and she was shambling and sometimes puking with exhaustion.

她把车停在跑道边跑起来，直到她跑不动，直到她身上穿的无袖fsu汗衫的前后都被汗湿透，她累的摇摇晃晃的，有时因疲劳过度而呕吐起来。

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Some iron is lost in sweat, and, for unknown reasons, intense endurance exercise is sometimes associated with bleeding of the digestive system.

有些铁离子随汗液流失。另外，由于某些未知的原因，高强度的耐力运动有时是与消化系统内出血联系在一起的。

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