求翻译：更重要的是，科学证明，体育运动能促进大脑的发育，能使大脑释放出一种特殊的化学物质，使人产生愉快的感觉，对发展智力，提高记忆力有着良好的作用。是什么意思？

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More importantly, the scientific proof that sport can stimulate brain growth that is able to provide for an exceptional brain release of chemical substances, and a source of pleasure they feel that our intellect, enhance memory development there is a good role.

More importantly, the science proved that, the sports can promote the cerebrum growth, can cause the cerebrum to release one special chemical substance, makes one have the happy feeling, to develops the intelligence, enhances the memory to have the good function.

More important is that science has proven that sport could contribute to the development of the brain, the brain releases a special chemical substances, to create a pleasant feeling, to the development of intelligence, improve memory has a good effect.

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