单词：totalvid
单词：totalvid 相关文章
1. visibility /ˌvɪzəˈbɪləti/ -- degree of clearness of the atmosphere, with reference to the distance at which objects can be clearly seen With the fog rolling in and visibility approaching zero, it was virtually impossible for planes to land. 在
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By Paul Sisco Washington, DC 21 February 2007 watch New Discovery Center One of the newest attractions for visitors to Florida, the southernmost point in the continental United States, celebrates the undersea world in and around the famous Florida K
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Acupuncture by Untrained Providers Poses Risks for Kids In the hands of trained practitioners, acupuncture is a safe medical treatment, even for children. But a new study finds when acupuncture is performed by untrained providers, it can pose a serio
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SCIENCE IN THE NEWS - November 12, 2002: Oldest Evidence of Jesus? / Mapping Genes that Cause Disease / 2002 World Health Report VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with
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