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美国营养学家最近研究发现,老年人如果定期动动嘴巴,吃点零食是一件大好事,因为零食中的营养物质对老年人是十分有益的,是老年人每天补充热量和营养物质的重要来源。
A recent study by American nutritionists found that it is a good thing for the elderly to have regular mouths and snacking because the nutrients in the snacks are very beneficial to the elderly and important to the elderly in daily supplement of calories and nutrients source.