一个赤足的小女孩艰辛地在雪地上走着。

A little girl in bare feet was plodding through the snow.

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潮退了，赤足的男孩们在海港底部寻找贝壳和可以打捞的东西。

The tide is out, and boys walk barefoot along the harbor's exposed bottom, searching for shells or things to salvage.

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赤足的姿势引起了足部海面拱体、踝骨和膝盖更大的弯曲，更多地利用了足部和腿肚上的肌肉的力量，从而减弱了冲击对人体产生的影响，使人跑起来更舒服些。

The unshod runners' style causes more flex in the foot's springlike arch ankle and knee and engages more foot and calf muscles blunting the impact on the body and making for a more comfortable "ride."

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