cháng / qī / bào / lù / zài / dī / jì / liàng / fú / shè / xià / lěi / jī / jì / liàng / kě / néng / dá / dào / wēi / xiǎn / shuǐ / píng

长期暴露在低剂量辐射下，累积剂量可能达到危险水平。

With long-term exposure to low-dose radiation, the cumulative dose may reach dangerous levels.