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Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it

发表于:2018-12-11 / 阅读(57) / 评论(0)

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Indian Scientists Invent Nose Filter to Protect Against Air Pollution

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(65) / 评论(0)

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AS IT IS 2015-08-28 Book Pages Could Provide Safe Drinking Water 书页可以提供安全饮用水 The expression a thirst for knowledge may soon have a new meaning for millions of people who have no way to get clean water. Researchers have developed

发表于:2019-01-12 / 阅读(47) / 评论(0)

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A new installation 新设备 A:Would you like me to show you our new cleaning unit? It's a clever design. A:要我带你去看看我们的净化设备吗？设计的很巧妙。 B: Yes, I'd like to see that. What does it clean exactly? B:是,我要看看

发表于:2019-01-14 / 阅读(30) / 评论(0)

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Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion people lack clean waterand in most

发表于:2019-02-17 / 阅读(69) / 评论(0)

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Voice 1 Welcome to Spotlight. Im Adam Navis Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Todays Spotlight is on a new inventio

发表于:2019-02-21 / 阅读(45) / 评论(0)

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