其中一组怀孕刺鼠的饮食富含维生素B(叶酸和B12)而另一组基因完全一致的怀孕刺鼠，并没有给与产品营养加强。
Jirtle's team fed one group of pregnant agouti mice a diet rich in B vitamins (folic acid and vitamin B12). Another group of genetically identical pregnant agouti mice got no such prenatal nutrition.
其中一组怀孕刺鼠的饮食富含维生素B(叶酸和B12)而另一组基因完全一致的怀孕刺鼠，并没有给与产品营养加强。
Jirtle's team fed one group of pregnant agouti mice a diet rich in B vitamins (folic acid and vitamin B12). Another group of genetically identical pregnant agouti mice got no such prenatal nutrition.
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