A few kids may have had a lowlevelexposure, but severe poisoning from the toys alone is pretty unlikely.
一小部分孩子呢,可能已经有低程度受铅影响,但单单说要这些玩具使得孩子严重铅中毒还是相当不可能的。
2
The National Institutes of Health (NIH) has also launched a $30 million study on the safety of lowlevelexposure to BPA.
美国卫生研究院(NIH)也启动三千万资金展开对低剂量BPA安全性的研究。
3
At present, there is insufficient data to draw firm conclusions about health effects from long-term low-levelexposure typically occurring in the everyday environment.