With hindsight, we'd all do things differently...有了事后的认识,我们都会以不同的方式行事。It is important to remember that each person reacts differently...重要的是要记住每个人的反应不同。I would have phrased it quite differently.我本可以把它表述得全然不同。The nex...
Ozone is a highly reactive form of oxygen gas.臭氧是一种非常活跃的氧气形态。Ozone is produced by the reaction between oxygen and ultra-violet light.臭氧由氧气和紫外线发生反应而产生。Every spring the ozone is chewed up, and the hole appears.每年春天,臭氧遭到破坏,...