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Walking can make the cerebral cortex of excitement, suppression and adjusting process improved, which received eliminate fatigue, relax, calm and sober mind effect, so many people like to use for a walk to adjust the spirit. Walk because of abdominal muscle contraction, breathing slightly deepen, every muscle movement up and down to strengthen abdominal muscle movement, plus the "massage function of gastric", the digestive system will strengthen the blood circulation, increase gastric bowel peristalsis, digestive capability.
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1、walk作为动词使用的时候意思是：“走，步行；散步；走过；（棒球）自由上垒”；作名词使用的时候意思是：“步行，走；散步；小路；（邮递员的）投递路线”。 2、walk这个英文单词，往往会给初学者带来很大的困扰，因为walk这个英文单词有好几种使用方法，不同的使用方法则意思不相同。
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