高强度金属合金

SSS 2011-12-20

material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

发表于:2018-12-02 / 阅读(66) / 评论(0)

Scientific American(十二)月

漫画搞定六级词汇(音频+文本) 第9期

图片1 metal n. 金属例句：This metal is harder than that one. 这种金属比那种硬。 metallic adj. 金属(性)的例句：Fannie' s shovel struck against something metallic when she wasplanting flowers in the garden. 当芬妮在花园里种

发表于:2018-12-04 / 阅读(49) / 评论(0)

漫画搞定六级词汇（文本+音频）

2007年VOA标准英语-Environmentalists in US Target Plastic Bags

By Ted Landphair Washington 09 August 2007 Every day, American consumers are offered a simple choice when they areby a store's cashier: paper or plastic? But as VOA's Ted Landphair explains in today's searching for solutions report, some communities

发表于:2019-01-07 / 阅读(100) / 评论(0)

2007年VOA标准英语（八月）

我国建时速400公里高铁助力'一带一路'互联互通

China is working on next-generation bullet trains with a maximum operational speed of 400 km per hour that will be ready by 2020 for markets linked to the Belt and Road Initiative, the country's top railway vehicle maker said. 国内最大的轨道客车

发表于:2019-01-07 / 阅读(183) / 评论(0)

英语新闻

Olympic Flame nears end of its 70 day journey round the Isles

LONDON, July 26 (Xinhua) -- It landed at Lands End on the extreme south-west coast of England 69 days ago and after making its way around the British Isles, the Olympic Torch finally reaches the Olympic stadium on Friday. When it reaches the end of i

发表于:2019-02-25 / 阅读(72) / 评论(0)

英语新闻

英语歌曲：Sophie Madeleine - The Knitting Song 惬意的“编织之歌”

Sophie Madeleine - The Knitting Song 惬意的编织之歌歌词： I'm going to knit myself a sweater. A sweater that will keep me warm at night. Just how many days here must I weather? Just biding my time... 'cause when I call you on the phone, I'

发表于:2019-03-13 / 阅读(164) / 评论(0)

经典英文歌曲

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