单词：recalibrates
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单词：recalibrates 相关文章
Doctors use X-rays to view internal organs, obtain clear images of possible disease and to treat cancer. For years radiation has been used to save lives, but there is growing concern that some patients are getting more than they ask for when they und
发表于:2018-12-08 / 阅读(68) / 评论(0)
VOA标准英语2010年(一月)
VOA标准英语2010年(一月)