硒是人体必需的微量元素。
硒是与人体健康密切相关的必需微量元素之一。
Selenium is one of the trace elements closely related to human health.
微量元素锌、铜、硒缺乏可致高度近视、视网膜病变、青光眼、白内障等多种眼病。
Deficiency of zinc, copper and selenium can result in high degree myopia, retinal diseases, glaucoma and cataract, etc.
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