| 单词 | ozone shield |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔WORLD〕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。朗文写作活用They must campaign to repair the ozone shield, halt the greenhouse effect, preserve soils and save the tropical rainforest. 他们为了修护臭氧层，遏止温室效应，保护土壤和拯救热带雨林，必须奔走游说。译典通 |
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