巴拿赫-斯坦豪斯定理

科学美国人60秒 SSS Model Black Hole Re-Creates Stephen Hawking Prediction

Black holes got their name because light can't escape them, beyond a certain radiusthe event horizon. But in 1974 Stephen Hawking proposed that quantum effects at the event horizon might cause black holes to benot completely black. Hawking said that

发表于:2018-12-24 / 阅读(49) / 评论(0)

2016年Scientific American(八)月

英语访谈对话 130 Aussies

Nicola: I'm gonna laugh! Todd: OK. Hello! Nicola: Hello! Todd: Hi. What is your name? Nicola: My name's Nicola. Todd: OK, Nicola. Where are you from? Nicola: I'm from Australia. Todd: Australia! Great! And where are you from in Australia? Nicola: I'm

发表于:2019-01-02 / 阅读(62) / 评论(0)

英语访谈对话

2007年VOA标准英语-Sweden Honors Linneaus, 'Father of Modern Taxon

By Kevin Billinghurst Uppsala, Sweden 26 May 2007 Celebrations this week in Sweden marked the 300th anniversary of the birth of Carl Linnaeus, the 18th-century Swedish scientist known as the father of taxonomy. On Saturday, the University of Uppsala,

发表于:2019-01-13 / 阅读(110) / 评论(0)

2007年VOA标准英语（五月）

VOA标准英语2012--Mom's Flu Vaccination Boosts Baby Birth Weight

Mom's Flu Vaccination Boosts Baby Birth Weight Pregnant women who get vaccinated against influenza are less likely to have low birth weight babies, according to a study conducted in Bangladesh. In this study, 340 pregnant women were randomly assigned

发表于:2019-01-14 / 阅读(44) / 评论(0)

VOA标准英语2012年(二月)

数学常用短语与从句

数学常用短语与从句 Phrases or clauses frequently used in mathematics 常见的涉及运算的短语或句子 1. Differentiate both sides of the equation and we get... Integrate both sides of the equation and we get... 2. Differentiating both sides of the equatio

发表于:2019-02-07 / 阅读(53) / 评论(0)

英文语法词汇

原版英语对话1000个:130 Aussies

发表于:2019-02-07 / 阅读(140) / 评论(0)

原版英语对话1000个

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

a priori entropy

absolute level

acoustic admittance

acoustical measurement

ad-minister

altitudae anoxia

aluminum conductors

anticomplement fluorescent antibody technique

asagi dag

bacatas

bad trips