This kind of difference might relate with degrees of chemical pollutions in surroundings.
调查结果提示这种差异主要是与动物生存环境中所受化学污染的程度有关。
The improper use of chemical pesticides have resulted in serious environmental problems and food pollutions, affected the ecosystem balance and human being health.
化学农药的不合理使用造成了严重的环境问题和食品污染，影响生态平衡，危害人类健康。
The improper use of chemical pesticides has resulted in serious environmental problems and food pollutions, affecting the ecosystem balance and human being health.
化学农药的不合理使用造成了严重的环境问题和食品污染，影响生态平衡，危害人类健康。
应用推荐