In spite of the importance of protecting your skin from the sun, some people believe sunscreen is harmful. One of the claims made by these people suggests that a chemical in sunscreen may affect our body’s hormone production. Their concern came from a study that was done on rats. However, in the study, the chemical was fed to the rats instead of being placed on their skin. Scientists have also explained that a person would need to use sunscreen for 277 years to reach the same amount used in this study.
尽管保护皮肤免受阳光照射很重要，但有些人认为防晒乳是有害的。这些人提出的其中一项主张表明，防晒乳中的一个化学物质可能会影响我们身体生成荷尔蒙。他们的担忧来自于一项在老鼠身上进行的研究。然而，在研究中，这种化学物质是被喂给老鼠吃的而不是涂抹在牠们的皮肤上。科学家还解释道，一个人需要使用防晒乳二百七十七年才能达到本研究中所使用的防晒乳用量。
生活必备字词：
claim n. & vt. 宣称，声称
production n. 生成，生产
be fed to... 被喂给……
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本文节录自《常春藤生活英语》杂志，完整内容请见九月号。
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