单词：illuviation-diffusion argillan
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Will ARVs cost too much? As a new generation of AIDS-fighting drugs emerges, theres fear the antiretrovirals may be too expensive for low and middle income countries. At the 19th International AIDS Conference, a medical aid group is raising concerns
VOA标准英语2012年(七月)
Popular Weed Killer Stirs Health, Environmental Concerns Jamie Jamison produces corn, wheat and soybeans on his 500-hectare farm. To boost production, he uses genetically modified seeds. To control weeds, he uses Atrazine. It gives us good long-seaso
VOA标准英语2012年(五月)
At Least 55 Killed in Damascus Suicide Car Bombings The twin blasts, not more than a minute apart, rocked the Syrian capital during morning rush hour, crushing and burning dozens of vehicles and sending plumes of black smoke into the air. The blasts
VOA标准英语2012年(五月)
Knowledge By Nature play pause stop mute unmute max volume 00:0006:56repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. JONATHAN COULTON: From NPR and WNYC,
2016年NPR美国国家公共电台10月
你那些到了能干活年龄的孩子们可以受雇做牧工。德罗海达将成为一个家族企业，由家里人经营而无须外人插手。' 她说给咱们寄去澳大利亚的钱了吗？菲问道。 帕迪一挺腰板。我不会为这种
荆棘鸟
MADRID, March 19 (Xinhua) -- Spanish BBVA Primera Liga side Villarreal on Monday sacked coach Jose Molina. Molina lost his job as a direct result of Villarreal's 1-0 defeat away to Levante on Sunday. The result left the side fourth from bottom of the
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