准直仪棱镜,平行光管棱镜

数学英语 41 What are Statistics and Estimators?

by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,

发表于:2018-12-07 / 阅读(133) / 评论(0)

数学英语

美国国家公共电台 NPR New Play About 'Roe V. Wade' Is A Prism For Looking At The American Divide

STEVE INSKEEP, HOST: Just about every American adult has heard the names Roe and Wade. Roe v. Wade was the 1973 Supreme Court decision legalizing abortion in the United States. Not so many people know about the real people involved, and now a new pla

发表于:2018-12-17 / 阅读(127) / 评论(0)

2017年NPR美国国家公共电台1月

‘Letters From Iwo Jima’

Amber: Hello, I'm Amber, and you're listening to bbclearningenglish.com. In Entertainment today, we listen to an interview with the legendary American actor and director, Clint Eastwood. He talks about his new film, 'Letters From Iwo Jima'. Clint Ea

发表于:2018-12-19 / 阅读(184) / 评论(0)

Entertainment

新西兰英语 794 GCSB

The Government Communications Security Bureau (GCSB) is our spy organisation. At the moment, it can only legally spy on foreigners in New Zealand. However this organisation made a mistake spying on Kim Dotcom because he is a permanent resident. Also,

发表于:2018-12-31 / 阅读(130) / 评论(0)

新西兰英语

电影歌曲:《暮光3:月食》主题曲Neutron Star Collis

Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to choose Then we told each other With no trace of fear that..

发表于:2019-01-03 / 阅读(136) / 评论(0)

电影歌曲

英文好歌推荐-Aoi Teshima：The Rose

Aoi Teshima The Rose 《The Rose》是一首传唱了几十载的经典老歌，不知不觉飘进你我心里。爱就是一朵花，只要心中播种希望，春天来临时定有馨香玫瑰绽放。想送给你，让我们心怀玫瑰，聆听天籁

发表于:2019-01-08 / 阅读(145) / 评论(0)

英文好歌推荐-百听不厌的英文歌曲

与美国小学生一起学英文第11册第6期:光谱

Spectrum 光谱 Do you know what a spectrum is? 你知道光谱是什么吗？ It is a series of colored lights. 它是复色光。 How can we see a spectrum? 我们怎么能看到光谱？ When you see sunlight through a prism, you may see a rainbow

发表于:2019-01-10 / 阅读(132) / 评论(0)

与美国小学生一起学英文第11册

与美国小学生一起学英文第10册第10期:棱镜

Prisms 棱镜 Why can we see rainbows after rain? 我们雨后为什么能看到彩虹？ We can see rainbows after rain because droplets of moisture in the air work like a big prism. 这是因为空气中的水滴就像一个大棱镜。 So what is

发表于:2019-01-10 / 阅读(118) / 评论(0)

与美国小学生一起学英文第10册

娱乐新闻：约翰梅尔盛赞女友水果姐新单

歌曲：Katy Perry-Roar Roar, the first cut off of Katy Perry's upcoming album Prism, hit the airwaves last week and went right to the top of the Billboard charts (for digital songs). One person who is particularly fond of the song (besides everyone

发表于:2019-01-10 / 阅读(168) / 评论(0)

英语娱乐八卦

Pistorius' bail ruling postponed again

PRETORIA, Feb. 20 (Xinhua) -- The second day of paralympian Oscar Pistorius' bail hearing ended on Wednesday without a court ruling on his application. Magistrate Desmond Nair ruled that Pistorius would remain in custody again at the Brooklyn police

发表于:2019-01-11 / 阅读(159) / 评论(0)

英语新闻

Pistorius' bail hearing postponed

PRETORIA, Feb. 19 (Xinhua) -- The Pretoria Magistrate Court on Tuesday postponed Paralympian Oscar Pistorius' bail hearing to Wednesday. Magistrate Desmond Nair ruled that the bail hearing be heard under Schedule 6 Offence of the Criminal Procedure A

发表于:2019-01-11 / 阅读(168) / 评论(0)

英语新闻

英语听力：自然百科圣河之旅 Yangtze 长江—7

Lots of issues with athnic groups in China, in some part of country athnic group has been educating for more freedioms independents. And their behavior is considered by the chinese authority to be massive threat to national unite in Navis security as

发表于:2019-01-22 / 阅读(121) / 评论(0)

自然百科2015年

英语词汇分类：疾病英语词汇

Disease 疾病 anemia, anaemia 贫血 angina pectoris 心绞痛 appendicitis 阑尾炎 arthritis 关节炎 bronchitis 支气管炎 cancer 癌 catarrh 卡他，粘膜炎 chicken pox, varicella 水痘 c

发表于:2019-01-26 / 阅读(137) / 评论(0)

英文语法词汇

【有声英语文学名著】夜色温柔 Book 1（20）

Tender Is the Night - Book One by F. Scott Fitzgerald Chapter 20 In the square, as they came out, a suspended mass of gasoline exhaust cooked slowly in the July sun. It was a terrible thingunlike pure heat it held no promise of rural escape but sugge

发表于:2019-01-26 / 阅读(122) / 评论(0)

有声英语文学名著

【有声英语文学名著】夜色温柔 Book 2（21）

Tender Is the Night - Book Two by F. Scott Fitzgerald Chapter 21 Rosemary had another dinner date, a birthday party for a member of the company. Dick ran into Collis Clay in the lobby, but he wanted to dine alone, and pretended an engagement at the E

发表于:2019-01-26 / 阅读(115) / 评论(0)

有声英语文学名著

VOA标准英语2010年-Agriculture Seeks Bigger Role in Clima

When the world's biggest polluters gathered this past December at the U.N. Climate Summit in Copenhagen, they managed to forge a non-binding agreement that could help put the brakes on global warming. The 12-paragraph document outlines a way to move

发表于:2019-02-04 / 阅读(170) / 评论(0)

VOA标准英语2010年(二月)

Year After Fukushima, Nuclear Energy Divides Europe

Last year's accident at Japan's Fukushima-Daichi nuclear power plant has intensified divisions in Europe over the safety and future of nuclear energy. Perhaps nowhere are the differences more apparent than between the region's biggest powers - France

发表于:2019-02-05 / 阅读(122) / 评论(0)

英语新闻

有关疾病的英文词汇：disease

Disease 疾病 anemia, anaemia 贫血 angina pectoris 心绞痛 appendicitis 阑尾炎 arthritis 关节炎 bronchitis 支气管炎 cancer 癌 catarrh 卡他,粘膜炎 chicken pox, varicella 水痘 cholera 霍乱 cold 感冒,伤风,着凉 (head) cold 患感冒 diabetes 糖尿病 diphtheria

发表于:2019-02-06 / 阅读(120) / 评论(0)

英文语法词汇

【有声英语文学名著】夜色温柔 Book 2（22）

Tender Is the Night - Book Two by F. Scott Fitzgerald Chapter 22 There were five people in the Quirinal bar after dinner, a high-class Italian frail who sat on a stool making persistent conversation against the bartender's bored: Si Si Si, a light, s

发表于:2019-02-16 / 阅读(129) / 评论(0)

有声英语文学名著

英语口语修炼的真谛！

英语口语修炼的真谛！ Why we have been learning English for so long and still are not able to talk freely, and why hadnt we become fluent English speakers? 为什么我们学英语已经那么久了可还是不能自如正确的用英语交谈

发表于:2019-03-02 / 阅读(169) / 评论(0)

英语口语

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