摘要

<正>科学家们认为,他们已经提出了一种缓解全球变暖的新方法:在太空中架起一把巨大的“伞”,保护地球免受过多的阳光照射。主题语境:科技发展篇幅:347词建议用时:7分钟1 Scientists have floated the idea of using a giant space “umbrella” as a solar shield(护罩) to protect the Earth from too much sunlight and help reduce global warming.