VOA慢速英语2012.11.20 includes, research, developed, 实验室, 的

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Scientists are criticizing a study that said laboratory rats developed tumors after they ate genetically modified corn. The research appears in the journal Food and Chemical Toxicology and includes pictures of rats with large tumors. 科学家批判了一项研究,称实验室小鼠在吃了转基因玉米后身上长肿瘤.这项研究发表在杂志《食品与化学毒理》上,附有长了大瘤子的老鼠的图片.
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