意识在我们国家到这是一个大的关注点（也是一个很具争议性的话题）她评论说谷胱甘肽是皮肤自然生成的，但是还没有发现任何研究说人为增加它的用量来使皮肤美白。
She remarks that Glutathione is naturally occuring in our bodies, but hasn’t found any studies that directly links to taking an increased dosage of glutathione to skin whitening.
意大利一群专攻艺术之谜的研究者们于本周三表示他们已经发现了达芬奇的模特蒙娜丽莎有争议性的身份——蒙娜丽莎是个男人。
Italian researchers who specialize in resolving art mysteries said Wednesday they have discovered the disputed identity of the model for Leonardo da Vinci's Mona Lisa — and claimed he was a man.
对保存在火山灰中的人类足迹进行年代测定后，一个科学家小组得出了这一具有争议性的结论。这些火山灰是在墨西哥一个废弃的采石场被发现的。
A team of scientists came to this controversial conclusion by dating human footprints preserved by volcanic ash in an abandoned quarry in Mexico.
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