[光] 紫外纤维光学

They Did It With Mirrors!

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(208) / 评论(0)

疯狂英语2003年

SSS 2009-12-22

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(132) / 评论(0)

Scientific American(十二)月

VOA慢速英语20060705a

HEALTH REPORT - Health: Looking for Skin CancerBy Brianna Blake Broadcast: Tue, 4 Jul 2006 16:00:00 UTC I'm Faith Lapidus with the VOA Special English Health Report. Tanning beds produce ultaviolet ra

发表于:2018-12-07 / 阅读(113) / 评论(0)

2006年慢速英语（七）月

机械类词汇大全-50

2059 、铸模；模子 mould 2060 、铸模成形；倒模成形；模塑 moulding 2061 、铸钢；生钢 caststeel 2062 、铸铁；生铁 castiron 2063 、廿三画 2064 、纤维 fibre 2065

发表于:2018-12-08 / 阅读(108) / 评论(0)

英文名句短语

高中英语人教版必修3 02

[00:04.28]Reading COME AND EAT HEAR(1) [00:09.12]Wang Pengwei sat in his empty restaurant feelling very frustrated. [00:15.05]It had been a very strange morning. [00:17.92]Usually he got up early prepared his menu of mutton kebabs, [00:23.28]roast po

发表于:2018-12-13 / 阅读(217) / 评论(0)

高中英语人教版必修

走进剑桥大学第8期:牛顿的苹果树

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家，也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(115) / 评论(0)

走进剑桥大学

Earth and Sky:Sunscreened Plants 遮光植物

Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart

发表于:2019-01-02 / 阅读(175) / 评论(0)

(科普英语)Earth and Sky

高中英语人教版高一下13

[00:07.39]Lesson 57 1.Dialogue [00:12.54]AT THE DOCTOR'S [00:15.78]Sharon is visiting a doctor,Dr Yang. [00:21.03]What can I do for you,sharon? [00:24.58]Well,I couldn't sleep last night. [00:29.15]What was the matter? [00:31.90]I've got a pain here.

发表于:2019-01-10 / 阅读(278) / 评论(0)

高中英语人教版高一

托福听力分学科词汇（二）

物理学 statics 静力学 motion 运动 inertia 惯性 gravitation 引力 relativity 相对 gravity 地心引力 vibration 震动 medium (media) 媒质 frequency 频率 wavelength 波长 pitch 音高 intensity 强度 echo 回声 resonance 回声，洪

发表于:2019-01-17 / 阅读(95) / 评论(0)

托福英语

NPR边听边练112:蜜蜂生活的新秘密

主餐一道：泛听练习以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。一、泛听建议： 1、完整听一遍，掌握

发表于:2019-01-22 / 阅读(119) / 评论(0)

NPR边听边练

英语听力：自然百科穿越银河系的旅行 Through Milky Way—14

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(248) / 评论(0)

自然百科2011年

英语词汇分类：纺织品

braided fabric 编织物 deformation 变形；走样 fast colours 不褪色；色泽牢固 punch work 抽绣 embroidery 刺绣品 acetate fibre 醋酯纤维 hemp 大麻 damp proof 防潮 sanforizing, p

发表于:2019-01-31 / 阅读(99) / 评论(0)

英文语法词汇

招标、投标和广告

INVITATION FOR BIDS, BID AND ADVERTISEMENTS 招标、投标和广告 Introduction Bidding is another form of trading in international business. When enterprises, utilities as well as governments are in need of certain materials, products or planning

发表于:2019-02-04 / 阅读(112) / 评论(0)

实用英语

可以调焦的眼镜?

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜，但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(119) / 评论(0)

实用英语

过去将来一般时的语法知识

过去将来一般时的基本概念和形式过去将来一般时(future-in-the-past indefinite tense)表示对于过去某一时间而言将要发生的动作或存在的状态。过去将来一般时由should(第一人称)或would(第二、三人称

发表于:2019-02-08 / 阅读(133) / 评论(0)

实用英语

2018年CRI Tibet to have universal fibre-optical broadband service

China's Tibet Autonomous Region is about to achieve a universal coverage of fibre-optical broadband service ahead of its schedule. As China further rolled out its universal broadband project, Tibet's broadband service is looking to reach 98% of admin

发表于:2019-02-14 / 阅读(162) / 评论(0)

2018CRI中国国际广播电台

香港兴起怪异“食日”减肥法

A new 'health' trend in Hong Kong sees women staring straight at the sun in the belief that it will replace their need for food and even improve their vision and sleep quality, reports Oriental Daily. 据《东方日报》报道，香港女性中兴起

发表于:2019-02-15 / 阅读(168) / 评论(0)

阅读空间

日本奇葩霓虹面条你敢吃吗？

A man who created neon noodles is being scrutinised as he's refusing to reveal what exactly has given them their crazy colours. 由于拒绝披露关于五彩面条的上色细节，霓虹色面条的发明者受到严厉审视。 The fluorescent foo

发表于:2019-02-18 / 阅读(131) / 评论(0)

阅读空间

经济学人275:电梯和摩天大楼另一个高耸入云的俱乐部

Science and technology 科学技术 Lifts and skyscrapers 电梯和摩天大楼 The other mile-high club 另一个高耸入云的俱乐部 A new lightweight lift cable will let buildings soar ever upward 一种新型的轻型升降梯将会让建筑继

发表于:2019-02-24 / 阅读(133) / 评论(0)

经济学人科技系列

新西兰英语 446 Wool Week

Wool Week opened early yesterday morning in Wellington with a display of sheep shearing at the railway station. Then children brought in their pet lambs. People on their way to work stopped to watch. Then there was a fashion parade of woolen clothes

发表于:2019-02-25 / 阅读(113) / 评论(0)

新西兰英语

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applied nonlinear analysis

arithmetic square root