What they find could provide clues to what might happen worldwide if ozone depletion continues.他们的发现可以揭示如果臭氧持续减少，世界范围内可能会出现什么情况。Man – made CFCs are the main cause of ozone depletion in the stratosphere.人造氯氟烃是臭氧层破坏的主因.Wit...
One can no longer walk the streets without seeing beggars importuning passers by.走在街上总能看到乞丐纠缠行人乞讨。Their mail was being packed with importuning or threatening letters.他们的信箱里充满了提出强硬要求和恫吓的信.Later I am importuning force ask ...
Vitamin C helps to detoxify pollutants in the body.维生素C可帮助解除体内污染物的毒性。The advection and diffusion of the pollutants were basically reasonable.污染物在近海对流、扩散情形基本合理.On the plus side, wind dilutes and scatters air pollutants, a...