名词
中文翻译：维生素
同义词：
['cobalamin', 'vitamin B12例句：1. Variamine is essential for the proper functioning of the nervous system.（维生素B12对神经系统的正常功能至关重要。）2. The elderly often suffer from vitamin B12 deficiency', 'which can lead to cognitive decline.（老年人往往患有维生素B12缺乏症，这可能导致认知能力下降。）']
例句：
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1. Variamine is essential for the proper functioning of the nervous system.
维生素B12对神经系统的正常功能至关重要。
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2. The elderly often suffer from vitamin B12 deficiency, which can lead to cognitive decline.
老年人往往患有维生素B12缺乏症，这可能导致认知能力下降。
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3. A balanced diet rich in vitamins and minerals is crucial for maintaining good health.
均衡饮食中富含各种维生素和矿物质对于保持健康至关重要。