To overcome the multiple nutritional deficiencies, changing diet and including upplements will strengthen the immune system.

5要克服多重营养不足, 可以由改变饮食和吃些营养剂,来加强免疫系统.

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For years, researchers thought CWD resulted from nutritional deficiencies, poisoning , or stress from confinement.

多年来, 研究人员一直以为慢性消耗病来自于营养不良 、 毒素, 或因圈养造成的压力.

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