In the traditional view that obesity is excess nutrient disease, so the diet should be reduced food intake pipe.

在传统观念中认为肥胖是营养过剩病，所以减肥就是应该管住嘴减少食物的摄入量。

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The work of improving nutrition is to prevent and control nutrient deficiencies, excess nutrients and nutrition-related diseases.

营养改善工作是指为改善居民营养状况而开展的预防和控制营养缺乏、营养过剩和营养相关疾病等工作。

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Zinc is an essential nutrient element for biological organisms, but it is toxic to plant, animal and human at excess levels.

锌是生物必需微量元素，但过多时对动植物都有毒害。

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