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The way we sample much of the world's oceans, to see what's living down there, is pretty basic: Ask fishermen. Or just stick a net down there, and examine what we catch. Neither method is ideal. Because you basically catch the fish and kill them. Phi
2016年Scientific American(十一)月
Problems with samples A: John? Can you come over here for a second? B: Certainly, Mr. Emory. What can I do for you? A: I need you to take a look at these samples. I think there are a few problems. B: Sure. Let me look over them and Ill bring them bac
办公室英语口语
Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t
VOA2004（上）--各类新闻
BEIJING, Sept. 26 (Xinhuanet) -- Fu Ming'ai was reunited with his family on Sunday after 22 years. He is one of the more than 1,400 abducted children who were helped by a national DNA database, which helps match trafficked children and their parents.
英语新闻
By Chad Bouchard Jakarta 07 February 2007 The Indonesian government has announced it is withholding samples of a deadly bird flu virus in light of its new partnership to develop a vaccine with a U.S. drug company. As Chad Bouchard reports from Jakart
2007年VOA标准英语（二月）