Other gadgets that nearly made it to Beijing include bicycles with coolant in their handlebars and energizing "relaxation" shoes that give off a waft of peppermint with every step.

还有一些差点进入奥运会的小玩意，比如自行车车把上的冷却剂，每跑一步都会闻到薄荷味的“放松”跑鞋。

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Tool changes are automatically carried out, and so are functions such as coolant on or off.

工具的变化自动进行，所以是功能，如冷却剂或关闭。

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