光轴频散, 光轴色散

创新英语-UK Axes Quarter of Student Visas

The British government has announced an overhaul in its system of issuing student visas. U.K. Home Secretary Theresa May has said the rules for student visas into Britain need to be much tougher. This means a reduction of 25 per cent in the number of

发表于:2018-12-07 / 阅读(103) / 评论(0)

创新英语

英语灵异故事-Room 13-07 13号房间-07

[00:13.51]Room 13 [00:18.85]13号房间 [00:26.38]The door of number 13 opened suddenly [00:29.83]and an arm came out. [00:31.94]The arm was thin and covered in gray hairs. [00:36.33]The fingernails were long and dirty. [00:40.06]Anderson shouted and pu

发表于:2018-12-11 / 阅读(225) / 评论(0)

英语灵异故事

小学综合英语6A--Unit 9

Unit 9 [00:38.61]The god and the foresters [00:42.68]Jack and John were foresters.They had to work in a forest every day. [00:50.94]They had to cut down dead trees and plant young ones. [00:57.21]They had to make paths through the forest. [01:01.94]E

发表于:2018-12-13 / 阅读(175) / 评论(0)

小学综合英语6A

法律英语：16 Do I Really Have to Pay Taxes?

Hello, and welcome to Legal Lads Quick and Dirty Tips for a More Lawful Life. Im your host, Adam Freedman. But first, your daily dose of legalese: This podcast does not create an attorney-client relationship with any listener. In other words, althoug

发表于:2018-12-30 / 阅读(122) / 评论(0)

法律英语 Legal Lad

幼儿英语童谣朗读第67期:如果所有海洋合为一体

If All the Seas Were One Sea 如果所有海洋合为一体 If all the seas were one sea, 如果所有海洋合为一体, What a great sea that would be! 那会是多么宏伟的海洋！ And if all the trees were one tree, 如果所有树木合为一体

发表于:2019-01-01 / 阅读(68) / 评论(0)

幼儿英语童谣朗读

电信专业英汉词典d2

Digital Access Protocol(DAP) 数字访问协议 Digital Volt Meter(DVM) 数字电压表 Digital TeleVision(DTV) 数字电视 digital circuit 数字电路 digital 数字的 data safety

发表于:2019-01-03 / 阅读(60) / 评论(0)

电信英语

电信专业英英词典D-6

Direct Inward Dialing (DID) DID is PBX-to-central office trunks that allow incoming calls to a PBX to ring specific stations without attendant assistance. DID greatly reduces the number of required co

发表于:2019-01-03 / 阅读(74) / 评论(0)

电信英语

NPR 2010-04-11

In Warsaw, bells toll for fallen leaders on one of the darkest days in Polands history. President Lech Kaczynski, his wife, and dozens of civilian and defense chiefs were among 96 people killed today in a plane crash in Russia. Clusters of lit candle

发表于:2019-01-08 / 阅读(183) / 评论(0)

2010年NPR美国国家公共电台4月

有意思的英文剧本-To Be Honest or Not to Be

by Jung-Han Chen 很有意思的4人剧本，关于强烈推荐。趣味性，并且很有意义，很有水平啊。 Cast Honest Woodcutter Greedy Woodcutter Greedy Woodcutter God of the Lake ---------------------------------------------------------

发表于:2019-01-08 / 阅读(92) / 评论(0)

英文剧本

美国语文第三册第12期:狼来了

LESSON 13 第13课 wolf 狼 grieved 忧愁 sleeve 袖 neighbors 邻居 earnest 认真的 axes 轴 clubs 俱乐部 order 订单 single 单 destroy 摧毁 THE WOLF 狼来了 A boy was once taking care of some sheep, not far from a forest. 有一个小男

发表于:2019-01-10 / 阅读(41) / 评论(0)

美国语文第三册

VOA慢速英语2014 光纤测量南极冰川融化

AS IT IS 2014-10-22 Fiber Optic Cable Measures Antarctic Ice Melt 光纤测量南极冰川融化 Antarctica is covered with ice that extends past the land and floats on the sea in thick shelves. But those ice shelves are melting quickly. As they melt

发表于:2019-01-12 / 阅读(75) / 评论(0)

2014年VOA慢速英语(十)月

2018年CRI China's Optic Valley taking shape in Wuhan

Reporters on the Streaming down the Yangtze River tour have arrived in Hubei's capital, Wuhan. As part of their time there, the reporters have visited the East Lake Hi-tech Development Zone, a national innovation demonstration zone, which is also kno

发表于:2019-01-19 / 阅读(98) / 评论(0)

2018CRI中国国际广播电台

世界小史第17章:制造工具

In the end, perhaps 6,000 years ago, that is, 4,000 BC, they found a new and more convenient way of making tools: they discovered metals. 最后，约6000年以前，即公元前4000年，他们获得了一种新的更方便的制造工具的方法：他

发表于:2019-01-29 / 阅读(42) / 评论(0)

世界小史

现实版“斧头帮”：加拿大飞斧酒吧受热捧

Combining razor-sharp axes and alcohol sounds like a very bad idea, but it seems to be working for the Timber Lounge, a popular axe-throwing bar in Halifax, Nova Scotia. 把刀头锋利的斧子和酒水结合起来听上去是个非常糟糕的主意，

发表于:2019-02-01 / 阅读(63) / 评论(0)

阅读空间

每秒400T! 中国光纤传输逆天突破再度刷新纪录!

Chinese firm FiberHome has developed a type of optic fiber that can transmit 400 terabytes of data per second, breaking the world record for the amount of data that can be transmitted on optic fibers, the company said. 中国公司烽火通信近日表

发表于:2019-02-07 / 阅读(85) / 评论(0)

英语新闻

Israeli researcher develops nano-scale gyroscope

JERUSALEM, May 8 (Xinhua) -- Israeli researcher Jacob (Koby) Scheuer, from the Tel Aviv University (TAU) School of Electrical Engineering, has developed a nano-scale gyroscope, the Ha'aretz daily reported Sunday. Scheuer developed a new optic-fiber n

发表于:2019-02-08 / 阅读(73) / 评论(0)

英语新闻

《荒野求生》之跟着贝尔去冒险第125期:学到关键技巧

Oh, that's-- that's great.Definitely great, yeah.Then just rub soles. 太棒了有效了太棒了有摩擦了 Sometimes, a key skill you learned in one of environment would help you overcome a problem and a completely different landscape. 有时候

发表于:2019-02-14 / 阅读(65) / 评论(0)

荒野求生

【跟着美剧练发音】美剧美语834期

PENGUIN:What continent （大陆）is this ? ZEBRA:Manhattan（曼哈顿）. PENGUIN:Hoover Dam（胡佛水坝/惨）!Were still in New York.Abort（终止计划）.Dive（跳水，此处指下潜）!Dive!Dive. ZEBRA:Hey.You in the tux（燕尾服）

发表于:2019-02-16 / 阅读(72) / 评论(0)

跟着美剧练发音

详解雅思阅读标题配对题的解题方法

标题配对题在雅思阅读考试中一直以来都占据重要地位，对于初涉雅思的学生来说尤其困难。虽然该题型在最近的考试中比重有所降低，但是由于其每个选项只能被选一次导致大片连环错的可

发表于:2019-02-20 / 阅读(108) / 评论(0)

雅思英语

美国学生人类历史第12期:史前人类(3)

Next came the housing problem. 接下来是解决住房的问题。 This was simple. Many animals were in the habit of sleeping in dark caves. 这很简单。许多动物都有睡黑乎乎的山洞的习性。 Man now followed their example, drove th

发表于:2019-02-21 / 阅读(82) / 评论(0)

美国学生人类历史

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学英语单词

A.L.E.

agammaglobulinemia

Aldrovando, Ulyssi

approach approximate stationarity