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Agriculture Report - Grow It Yourself: Diving Into Aquaponics 农业报道 - 生态水培技术 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Aquaponics is the idea of producing vegetables and fi
2012年VOA慢速英语(二)月
Aquaponics Could Signal Future of Food Imagine growing vegetables and fish in the same space. Thats the idea behind aquaponics, a marriage of fish farming and soil-less plant cultivation in a single, sustainable closed system. Supporters believe aqua
VOA标准英语2012年(一月)
'Freedom Riders' Remembered 50 Years Later The American South was a segregated society 50 years ago. In 1960, the U.S. Supreme Court outlawed racial segregation in restaurants and bus terminals serving interstate travel, but African-Americans who tri
VOA标准英语2011年(五月)
If Western sanctions are eased, this fast-growing Russian startup (TEXEL) says its 3-D scanning software business will get a boost in the domestic market. 快速发展的俄罗斯创业公司（TEXEL）表示，如果西方世界能放宽（对俄罗斯
VOA标准英语2016年(十二月)
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DAVID GREENE, HOST: And now some bad news for bees. There is new evidence that they are being harmed by some widely used pesticides though it may be only if the bees already are vulnerable. Here's NPR's Dan Charles. DAN CHARLES, BYLINE: These pestici
2017年NPR美国国家公共电台7月