单词：elutriation apparatus
单词：elutriation apparatus 相关文章
Caller: I'm a _______. I've been ______ for a long time and I think it's just the ___________________________ to _________ in the pipe. Presenter: You don't think smoking is bad for you? Caller: Well I do, I do, but you know the _________, uh... Pres
王强口语 第三册
By Larry London Washington, D.C. 16 February 2007 watch RJA report Their name means nothing at all, but is instantly memorable. Their sound mixes heavy metal guitar with danceable beats of pop punk, and is instantly recognizable. Florida rockers Red
2007年VOA标准英语（二月）
Continuing Violence in Syria Raises Fears About Future The images out of Syria are frightening. And so far, President Bashar al-Assad has not taken steps to de-escalate the crisis. That worries Dr. Jerald Post at George Washington University. He is d
VOA标准英语2012年(二月)
HARBIN, March 2 (Xinhua) -- A therapeutic(治疗的) apparatus to treat Parkinson's disease has been developed in northeast China's Heilongjiang Province, according to the provincial science and technology department. It is a worldwide breakthrough i
英语新闻
ABIDJAN, Dec. 6 (Xinhua) -- Cote d'Ivoire's political crisis deepens with the appointment of two prime ministers by the two presidential candidates declared the winner of the Nov. 28 run-off respectively by the electoral commission and the Constituti
英语新闻
Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析，夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns
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