单词：HFACT
[=hexafluoroacetylacetone]六氟乙酰丙酮
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今天要讲的惯用语里有个共同的词act。这真是个多义词，但是我们的时间有限说不了那么多，所以今天要说到的act都有表演的意思。比方说，我们要学的第一个习惯用语是：class act。 Class这里
发表于:2019-01-11 / 阅读(92) / 评论(0)
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By Margaret Besheer United Nations 25 September 2007 An unprecedented summit on climate change has ended at the United Nations. Secretary-General Ban Ki-moon says the event has sent a powerful political signal to the world that there is the will and
发表于:2019-01-11 / 阅读(92) / 评论(0)
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BEIJING, March 24 (Xinhuanet) -- A new study has found that Actos, a medicine treats onset diabetes, could also reduce the diabetes(糖尿病) risk in people with prediabetes. The study, which was published Wednesday in New England Journal of Medicin
发表于:2019-02-07 / 阅读(119) / 评论(0)
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