Don't rush or run uphills. and downhills.
不耍奔跑上山或下山。
Add downhills to your routine a little at a time, says Daniels.
您应该在常规训练中一点点地加入下坡跑，Daniels说。
In fact, research has shown that running downhills can give your pace a lift.
实际上，研究已经正明，下坡跑可以提高您的速度。
In fact, research has shown that running downhills can give your pace a lift.
实际上，研究已经正明，下坡跑可以提高您的速度。
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