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Scientists are concerned about ozone depletion.科学家们密切关注臭氧的损耗。In heavy concentrations ozone is irritating to the eyes, nose, and throat.高浓度的臭氧会引起眼睛、鼻子和喉咙发炎。Ozone is produced by the reaction between oxygen and ultraviolet light.臭氧由氧气和紫外线发生反应而产生。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。Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun.臭氧最广为人知的作用是保护地球免受太阳紫外线的伤害。The use of ozone-depleting chemicals grew dramatically and the government sat idly by.消耗臭氧的化学物质的使用急剧增多，政府却坐视不理。The machine uses minute quantities of ozone to sterilise and deodorise refrigerated food vehicles.这种机器使用极少量的臭氧为食品冷藏车消毒杀菌和去除异味。In heavy concentrations, ozone is irritating to the eyes, nose and throat.高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。Ozone shields the planet from the effects of the sun's ultraviolet radiation.臭氧保护地球不受太阳紫外线辐射的影响。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 formed in the atmosphere when sunlight and hydrocarbons react together.在大气中，阳光与氧气发生化学反应，形成臭氧。 |