sublethal level

例句：

1. 1. The researchers found that the sublethal dose of radiation could cause cancer in humans.
   研究人员发现，辐射的亚致死剂量可以导致人类患癌。
2. 2.The sublethal effects of this drug on the human body are still being studied.
   这种药物对人类身体的亚致死效应仍在研究中。
3. 3.The sublethal levels of pollutants in the environment are a major concern for public health.
   环境中污染物的亚致死水平是公共卫生的主要关切点。