多中子核裂说

有声英文阅读-黑洞

Black Holes What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientist

发表于:2018-12-31 / 阅读(32) / 评论(0)

有声英文阅读

双语有声阅读:Black Holes 黑洞

What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientists think that a black hole is a region of space (not a thing) i

发表于:2019-01-02 / 阅读(29) / 评论(0)

双语有声阅读

如何做一次好的演讲

Whether youre giving a toast, presenting a project, or delivering a doomsday warning, these tips will help you look like less of an amateur during your speech. Most of us dont like giving speeches. Unfortunately, sometimes theres no way to weasel out

发表于:2019-01-08 / 阅读(68) / 评论(0)

英语小短文

英语词汇分类：核能

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(62) / 评论(0)

英文语法词汇

揭秘宇宙中的黑洞

【原文】 Black HolesWhat is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientists think that a black hole is a region

发表于:2019-02-16 / 阅读(29) / 评论(0)

英语听力广播—Listening

万物简史第203期:威力巨大的原子(17)

Meanwhile the tireless Rutherford, now back at Cambridge as J. J. Thomson's successor as head of the Cavendish Laboratory, came up with a model that explained why the nuclei didn't blow up. He saw that they must be offset by some type of neutralizing

发表于:2019-02-17 / 阅读(41) / 评论(0)

万物简史

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

are your ears burning