For the population as a whole, we must be more concerned with the delayed effects of absorbing small amounts of the pesticide that invisibly pollute our world.
英
美
- 从人口(人类)的总体考虑,我们必须更多地关注摄入少的、在不知不觉中污染我们世界的杀虫剂所造成的延缓效应。