几年前，人类的基因曾被添加到老鼠身上，以创建唐氏症模型，让科学家研究这种疾病如何演化，这可能带来有潜力的治疗方法。
Several years ago, human genes were added to a mouse to create a model of Down's syndrome for scientists to study how the disease evolves, which could lead to potential treatments.
以小鼠模型为研究对象，模拟人体疾病状态，是研究心血管疾病的重要手段之一。
Mice models were as research subjects to model human disease status, one of important methods for cardiovascular disease.
以小鼠模型为研究对象，模拟人体疾病状态，是研究心血管疾病的重要手段之一。
Mice models were as research subjects to model human disease status, one of important methods for cardiovascular disease.
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