功率谱密度

英语名篇名段背诵精华46 A wet sunday in a countr inn

New England weather There is a sumptuous variety about the New England weather that compels the strangers admirationand regret. The weather is always doing something there; always attending strictly to business; always getting up new designs and try

发表于:2018-12-31 / 阅读(319) / 评论(0)

英语名著名段背诵精华

晨读英语美文60篇六级57

[00:00.00]Fuel CellEnergy in the Future [00:09.66]The price of oil has soared from $43.45 a barrel to $65.35, a 50% gain. [00:19.95]It is transportation such as driving back and forth to work [00:24.32]and visiting companies that burns lots of fossil

发表于:2019-01-02 / 阅读(193) / 评论(0)

晨读英语美文60篇

60秒科学:Why Dwarf Galaxies Lack Star Power

Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H

发表于:2019-01-02 / 阅读(221) / 评论(0)

60秒科学

NPR 2008-12-13

The White House says it's exploring new options to save the auto industry after a 14-billion-dollar bailout bill collapsed in the Senate yesterday. Congressional Democrats want the Bush Administration to act quickly. NPR's Debbi Elliot reports. Whit

发表于:2019-01-08 / 阅读(193) / 评论(0)

2008年NPR美国国家公共电台12月

美国语文第六册第7期:黎明(1)

I had occasion, a few weeks since, to take the early train from Providence to Boston; and for this purpose rose at two o'clock in the morning. 几个星期前，我有幸乘坐早班火车从普罗维登斯来到波士顿，为此我特地凌晨两点就

发表于:2019-01-10 / 阅读(194) / 评论(0)

美国语文第六册

VOA慢速英语2013 AS IT IS 2013-05-10 NASA Looks at Earth

AS IT IS 2013-05-10 NASA Looks at Earth Hello. I'm Jim Tedder in Washington. On our program today, fuel prices are about to take a big increase in Indonesia. We'll hear about a mixture of politics and economics. Then diplomacy of a musical kind in Mo

发表于:2019-01-12 / 阅读(187) / 评论(0)

2013年VOA慢速英语(五)月

VOA标准英语2014--芝加哥的阿贡国家实验室正在研发未来电池

Chicagos Argonne Lab Developing Battery of the Future CHICAGO In 2012, the Department of Energys Office of Science awarded a $120 million grant to a new technology center focused on battery development - headquartered at Argonne National Laboratory i

发表于:2019-01-14 / 阅读(163) / 评论(0)

VOA标准英语2014年(七月)

托福听力之3个听力词汇量的5大关键点

在托福考试中，听力是一个很重要的环节，而在听力备考的过程中，词汇又是非常重要的。在托福听力的备考过程中，我们细细翻一下TPO资料，如果发现连审题都有着困难，那么，这时候就建

发表于:2019-01-17 / 阅读(238) / 评论(0)

托福英语

美国科学60秒 SSS 2013-08-13

Yes, the mosquitos are swarming at this time of year. Alaska joke the B.Z. the sate bird. But have you ever looked closely the swarm making mosquitos the nuts images? It is a curious thing. The swarm maintains the kind of shape that moves around. But

发表于:2019-01-20 / 阅读(182) / 评论(0)

Scientific American(八)月

科学美国人60秒 SSS 2014-2-18

If the sight of Swiss cheese makes you melt or the thought of a honeycomb gets you buzzing, you may suffer from trypophobia, the most common phobia that you've probably never heard of. Trypophobia is the fear of holes. People with the phobia experien

发表于:2019-01-20 / 阅读(168) / 评论(0)

2014年Scientific American(二)月

经济学人159:新晋日本小说

New Japanese fiction 新晋日本小说 Slightly off A haunting introduction to the work of an important Japanese author 伤感自难忘日本知名作家小川洋子作品的简略介绍 Revenge: Eleven Dark Tales. By Yoko Ogawa. 《复仇：十一个

发表于:2019-01-27 / 阅读(200) / 评论(0)

经济学人文艺系列

妇女节散发“她力量”了吗？

不容忽视的她力量 She-power 今天是三八国际妇女节，女同胞们是不是都放假出去庆祝啦？如果你还坚守在工作岗位，也请你不要沮丧，因为这说明女性的力量越来越强大，没有了女性，男同胞们

发表于:2019-02-01 / 阅读(170) / 评论(0)

英文语法词汇

美国语文第五册第218期:雪落

The wonderful snow is falling over river and woodland and wold; 纷纷扬扬，鹅毛大雪难以想象，染白河流，覆盖成片森林原野， The trees bear spectral blossom 枝杈魅影，开出精灵诡异骨朵， In the moonshine blurr'd a

发表于:2019-02-13 / 阅读(192) / 评论(0)

美国语文第五册

美国语文第五册第305期:迈诺特的利奇(1)

Like spectral hounds across the sky, 白云苍狗，幽灵潜行掠过空中， The white clouds scud before the storm; 金蛇乱舞，暴雨黯淡天陲之路， And naked in the howling night 时光裸露，倏然跌进嚎叫的夜晚， The red-ey

发表于:2019-02-13 / 阅读(207) / 评论(0)

美国语文第五册

A wet sunday in a countr inn

A wet Sunday in a country inn! Whoever has had the luck to experience one can alone judge of my situation. The rain pattered against the casements; the bells tolled for church with a melancholy sound. I went to the windows in quest of something to am

发表于:2019-02-18 / 阅读(227) / 评论(0)

阅读空间

雅思分类词汇：环境资源相关(二十四)

遥感Remotesensing 多谱线扫描器Multispectralscanner 分辨率Resolution 像素Pixel 谱带Spectralbands 红外线Infrared 紫外线Ultraviolet 雷达Radar 轨迹Path 景物确认Sceneidentificat

发表于:2019-02-18 / 阅读(269) / 评论(0)

英文语法词汇

Afghanistan Maps Natural Mineral Resources

Afghanistan has become the first country to map its natural mineral resources using an advanced remote sensing technique known as hyperspectral imaging. The mapping, a collaborative effort between the U.S. Geological Survey and the Afghan Geological

发表于:2019-02-18 / 阅读(305) / 评论(0)

英语新闻

英语听书《白鲸记》第931期

Yet dost thou darker half, rock me with a prouder, if a darker faith. 然而，你那更加难解的半个身子，却以一种即使不是更加难解的、也是更加自豪的信念来颠簸我。 All thy unnamable imminglings float beneath me her

发表于:2019-02-25 / 阅读(219) / 评论(0)

白鲸记

托福考试话题类单词术语

话题类单词，术语托福考试的lecture话题非常广泛，虽然官方指南给出了艺术、生命科学、自然科学和社会科学四大类话题，但事实上这四个话题已经能囊括任何专业知识点了，知识面再广的学

发表于:2019-02-26 / 阅读(243) / 评论(0)

托福英语

托福听力中遇到太多的生词如何处理

很多考生托福听力薄弱，主要原因在于托福词汇量不够。听力薄弱的考生是很难在托福考试中得到高分的。可能很多考生对托福考试的整体印象是考试内容比较专业，有大量的专有名词，一拿

发表于:2019-03-04 / 阅读(273) / 评论(0)

托福英语

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acicular type zinc oxide