单词：phosphate tetany
[医] 磷酸盐性手足搐搦
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DAVID GREENE, HOST: All this year, we are looking at the events of 1968 that continue to shape our world today. It was 50 years ago this week when thousands of North Vietnamese troops and their Viet Cong allies launched an audacious attack sweeping i
发表于:2018-12-02 / 阅读(240) / 评论(0)
2018年NPR美国国家公共电台1月
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pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
发表于:2019-01-03 / 阅读(186) / 评论(0)
医务英语
医务英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
发表于:2019-01-08 / 阅读(228) / 评论(0)
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Scientific American(四)月