单词：brassica campestris chinensis komatsuna
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By Margaret Besheer Qushtapa, Iraq 20 June 2006 Kawa Refugee Camp International refugee agencies say nearly one million Iraqis have fled their country since the U.S.-led invasion to topple Saddam Hussein in March 2003. But Iraq is also host to a sma
2006年VOA标准英语（六月）
By Efam Dovi Accra 23 August 2006 In Ghana, a high court in the capital Accra Tuesday sentenced five robbers to more than 300 years in prison in what the police say is a clear sign the country is taking violent crime seriously. The spate of armed ro
2006年VOA标准英语（八月）
Kachin Rebels Live in Limbo as War with Burma Drags On Four hundred Kachin refugees get regular donations of food and other aid at a Catholic-run camp. The youngest were born while in the camp, enlarging families that fled fighting between the Burmes
VOA标准英语2012年(四月)
ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the
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In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African
2016年Scientific American(八)月
You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为，世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西
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