何时何处
环境恶化： environmental degradation；environmental deterioration；environment deterioration；deteriorate the environment -生态环境恶化： ecological deterioration \ deterioration in ecological system；due to a deteriorating ecological environment -于生态环境恶化： due to ao deteriorating ecological environment �1�7l -自然环境恶化： naturalenvironmentdeterioration -由于生态环境恶化： due to a deteriorating ecological environment；due to a reteriorating ecological environment；a deteriorating ecological environment -饥饿与环境恶化： Hunger, Food Production and Environmental Degradation -释义：环境恶化： environmental deterioration -由于使用频繁而造成的严重的环境恶化： Severe environmental degradation from heavy usage -自然环境的恶化： the devastation of the natural environment: -生态环境的恶化： deterioration of ecological environment
