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媒體英語(yǔ)會(huì)帶大家一起學(xué)習(xí) BBC 撰稿人在報(bào)道世界大事時(shí)常用到的單詞和短語(yǔ)。

美國(guó)的研究人員設(shè)計(jì)了一本教人們?nèi)绾瓮ㄟ^(guò)過(guò)濾方式獲取飲用水的說(shuō)明書(shū)。而這本書(shū)的每一頁(yè)紙都可以被撕下來(lái)充當(dāng)濾紙。BBC 的 Jonathan Webb有以下報(bào)道：

More than 600 million people around the world lack access to clean drinking water and this book has the potential to help.

It's relatively cheap, easy to ship and its pages serve two purposes: firstly, they are printed with instructions on how and why water should be filtered; secondly, they can be torn out and used as filters.

The paper contains nanoparticles of copper or silver, which kill bacteria and the new trial results from water sources in South Africa, Ghana and Bangladesh confirm that on average the paper slashes the bacteria count of contaminated water by well over 99%.