单词：secchi disc
单词：secchi disc 相关文章
Oksana Dragan A music disc jockey who honed his skills in fundamentalist Iran is now a fixture of the Washington D.C. music scene, particularly among the 28 thousand or so Iranians living in the Unite
VOA2004（上）--艺术专集
Bioengineered Spinal Disc Could Relieve Back Pain Researchers at Cornell University in New York have developed an artificial spinal disc that may help patients with chronic back pain and other disc problems. The spine is a column of bones alternating
VOA标准英语2011年(八月)
By Sabina Castelfranco Venice 27 October 2009 A group in Italy's canal city, Venice, is planning to hold a funeral for their hometown, which is rapidly losing its permanent residents. The group says the city is being drained of its normal life. The
VOA标准英语2009年(十月)
I don't want to. Well ,come over and talk to me then. Certainly not. May I turn on TV then? Turn on TV for what? So we can sit down together and listen to some music? Listen to some music and we'll cook dinner,will you? I will,but let's go to disc a
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