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As nutrition and health care improved, the age of puberty dropped.
随着营养以及卫生保健的提高，青春期年龄也就随之下降。
youdao
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It plays an important role in human's nutrition, physiology and health care.
它对人类健康具有重要的营养、生理和保健意义。
youdao
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It plays an important role in human's nutrition, physiology and health care.
它对人类健康具有重要的营养、生理和保健意义。
youdao