大气浮力

Hawk 1)Roosting

Hawk 1)Roosting I sit in the top of the wood, my eyes closed. 2)Inaction, no 3)falsifying dream Between my hooked head and hooked feet: Or in sleep rehearse perfect kills and eat. The convenience of t

发表于:2018-11-28 / 阅读(227) / 评论(0)

疯狂英语2004年

英语演讲稿范文：英语演讲稿3分钟（带翻译）

I have nothing to offer but blood, toil, tears and sweat. We have before us an ordeal of the most grievous kind. We have before us many, many months of struggle and suffering. You ask, what is our aim? I can answer in one word, it is victory. Victory

发表于:2018-11-29 / 阅读(221) / 评论(0)

英语演讲稿

Without air, there would be no fire

Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(

发表于:2018-12-01 / 阅读(276) / 评论(0)

自考英语（一）78讲

万花筒2008-03-24:纸皮箱划船比赛

Students rece cardboard boats at Lindenhurst high school That this is one of the projects they're most excited about. They are reconstrained to working with certain materials, for example, cardboard. They cant not use anything, they cannot use styro

发表于:2018-12-11 / 阅读(175) / 评论(0)

万花筒2008年

趣味青春英语第122期:Not hurt a fly

Idiom: Not hurt a fly 表示一个人心地非常善良 Hit the book: Architect Contradictory Buoyancy Depict Testimony Suction Splash Roller coaster

发表于:2018-12-27 / 阅读(165) / 评论(0)

趣味青春英语

精美英文欣赏:Churchill’s Speech丘吉尔的演讲

I have nothing to offer but blood, toil, tears, and sweat. We have before us an ordeal of the most grievous kind. We have before us many, many months of struggle and suffering. You ask, what is our aim? I can answer in one word. It is victory. Victor

发表于:2019-01-02 / 阅读(152) / 评论(0)

精美英文欣赏

SSS 2008-07-02

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

发表于:2019-01-08 / 阅读(134) / 评论(0)

Scientific American(七)月

SSS 2009-09-10

The National Oceanic Atmospheric Administration [NOAA], spends most of its time trying to understand and predict changes in the environment, along with conserving and managing coastal and marine resources. But its scientific expertise also just made

发表于:2019-01-08 / 阅读(148) / 评论(0)

Scientific American(九)月

白领英语晨读-104 Churchill’s Speech　丘吉尔的演讲

发表于:2019-01-17 / 阅读(131) / 评论(0)

白领英语晨读

PBS高端访谈:濒临灭绝的虎鲸将会被放归自然?

HARI SREENIVASAN: You may have seen the documentary Blackfish that examined the treatment of killer whales at SeaWorld Orlando. Now at the Miami Seaquarium, another controversy is brewing over a whale named Lolita. The National Oceanic and Atmospheri

发表于:2019-01-27 / 阅读(168) / 评论(0)

PBS访谈环境系列

经济学人235:地理工程学包含着承诺

Science and technolgy 科学技术 Geoengineering 地理工程学 Implicit promises 包含着承诺 A geoengineering experiment has come unstuck. But there will be more 地理工程试验取得突破。可期待更多。 FOR the past few years, a Eur

发表于:2019-01-30 / 阅读(264) / 评论(0)

经济学人科技系列

大气污染来自汽车尾气

According to the latest research, vehicles, coal-burning, airborne dust and industrial production account for 85 to 90-percent of the major airborne pollution sources in most Chinese cities. Vehicles are the biggest polluters in Beijing, Hangzhou, Gu

发表于:2019-02-03 / 阅读(151) / 评论(0)

英语新闻

全球气温或达到历史新高

WASHINGTON, June 23 (Xinhua) -- Last month was the hottest May since record keeping began in 1880, the U.S. National Oceanic and Atmospheric Administration (NOAA) said Monday. 图片1 The combined average temperature over global land and ocean surfac

发表于:2019-02-06 / 阅读(163) / 评论(0)

英语新闻

VOA标准英语2010年-Dust From Farming May Affect Rainfall

New research suggests agriculture has greatly increased the amount of dust blowing off of West Africa, the world's largest source of atmospheric dust, and may have been one factor driving the decrease in rainfall in the region over the past several c

发表于:2019-02-07 / 阅读(207) / 评论(0)

VOA标准英语2010年(七)月

未来的日子会更加炎热?

WASHINGTON Folks sweating out the heat wave battering parts of the country may just have to get used to it. 美联社华盛顿 2010年7月8日消息：那些在肆虐美国部分地区的热浪中汗流浃背的人们也许只好逐渐适应这种天气

发表于:2019-02-07 / 阅读(156) / 评论(0)

阅读空间

来自空中的钻石捡到就归你

A diamond worth ?12,000 was shot into space this morning - and whoever finds it when it lands back on earth gets to keep it. 今天早晨一颗价值1万2千英镑的钻石被送入太空，在它落地后，谁能找到它，它就归谁。 A diamon

发表于:2019-02-08 / 阅读(185) / 评论(0)

英语新闻

园艺专业英语

A alternate bearing 大小年结果 amendment 调理剂 ample 充足的 anatomical 解剖的 aneuploid 非整倍性（的） anion 阴离子 annual 一年生植物，一季生植物 anther 花粉囊，花药 anthocyanin [植]炭疽病 antibiotic 抗生

发表于:2019-02-09 / 阅读(239) / 评论(0)

英文语法词汇

双语有声阅读：丘吉尔的演讲

发表于:2019-02-20 / 阅读(109) / 评论(0)

双语有声阅读

经济学人267:测量质量效应

Science and technology 科学技术 Measurement 测量 Mass effect 质量效应 A better way to clean the world's one true kilogram 清洁世界上真正一千克的更好方法 IN SEVRES, on the outskirts of Paris, sealed beneath a triplet of bell j

发表于:2019-02-24 / 阅读(202) / 评论(0)

经济学人科技系列

经济学人467:地理工程前景广阔

Science and technology. 科技。 Geoengineering. 地理工程学。 Implicit promises. 包含着承诺。 A geoengineering experiment has come unstuck. But there will be more. 地理工程试验取得突破。可期待更多。 FOR the past few year

发表于:2019-02-26 / 阅读(191) / 评论(0)

经济学人综合

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学英语单词

arginine phosphokinase