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Scientists Will Test New Drugs on Artificial Micro-Organs 科学家将在人工微型器官上测验新药物 Testing new drugs on lab animals is not the same as testing them on the species they are intended for. But in early stages of research, test
发表于:2018-12-08 / 阅读(85) / 评论(0)
VOA标准英语2014年(四月)