One of the top track coaches in the U.S., Bowernan was also known for experimenting with the design of running shoes in an attempt to make them lighter and more shock-absorbent.

鲍曼，美国最顶尖的田径教练之一，也因对跑鞋的设计进行试验而广为人知，这些设计试图将跑鞋变得更加轻盈、更好地吸收冲击。

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But low doses of oral steroids were common among top track athletes, Vorobiev said.

但他表示，口服低剂量的类固醇片在苏联顶尖径赛运动员中颇为常见。

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But low doses of oral steroids were common among top track athletes, Vorobiev said.

但他表示，口服低剂量的类固醇片在苏联顶尖径赛运动员中颇为常见。

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