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1.The study found that the teratogenic index of a certain drug was significantly higher than the standard level.
研究发现某种药物的致畸指数明显高于标准水平。
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2.The research team conducted an experiment to determine the teratogenic index of various food additives.
研究团队进行了实验，以确定各种食品添加剂的致畸指数。
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3. The teratogenic index is a crucial factor in assessing the safety of a substance before it is usedin pregnancy.
致畸指数是评估物质在怀孕期间使用安全性的关键因素。