维生素C从哪方面都没有出现任何影响，研究队说需要投入更多工作到这种补充物上，就像硒的研究一样。
Vitamin C did not appear to have any effect one way or the other, and the team said more work was needed into this supplement - as well as into selenium.
研究人员推断说硒含量高的饮食可以抑制肺癌的形成。
The researchers concluded high levels of dietary selenium may inhibit the development of lung cancer.
专家说，硒元素对皮肤细胞的健康有重要意义。
Experts say selenium plays a key role in the health of skin cells.
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