透镜的焦强

'The Diamond Lens' by Fitz-James O'Brien, Part One

Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop

发表于:2018-12-08 / 阅读(503) / 评论(0)

2018年VOA慢速英语(二)月

清洁眼镜的最佳方式

Nearly 50% of Americans wear corrective glasses, according to the trade group Vision Council. And most of them are guilty of the biggest crime in lens care: Exhaling onto their lenses, then wiping the fog off with their shirt sleeves. But does this r

发表于:2018-12-12 / 阅读(60) / 评论(0)

英语阅读理解

VOA慢速英语2011--Short Story: ‘The Diamond Lens’ by F

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(76) / 评论(0)

2011年VOA慢速英语(六)月

'The Diamond Lens' by Fitz-James O'Brien, Part Two

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(326) / 评论(0)

2018年VOA慢速英语(三)月

SSS 2010-06-02

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-08 / 阅读(106) / 评论(0)

Scientific American(六)月

VOA慢速英语 2008 1001b

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

发表于:2019-01-11 / 阅读(102) / 评论(0)

VOA慢速英语2008（十）月

VOA慢速英语2011--Short Story: ‘The Diamond Lens,’ Par

AMERICAN STORIES - Short Story: The Diamond Lens, Part 1, by Fitz-James O'Brien SHIRLEY GRIFFITH: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will te

发表于:2019-01-12 / 阅读(103) / 评论(0)

2011年VOA慢速英语(六)月

VOA慢速英语2015 英国组织向卢旺达提供眼镜

AS IT IS 2015-03-05 UK Group Brings Eyeglasses to Rwanda 英国组织向卢旺达提供眼镜 Most people in developed countries do not have a problem getting prescription eyeglasses. They go to an ophthalmologist -- a trained specialist who treats p

发表于:2019-01-12 / 阅读(65) / 评论(0)

2015年VOA慢速英语(三)月

微型机器人可做精密眼部手术

A newly-built machine uses extremely small instruments to perform eye operations. The machine is reported to make fewer mistakes than doctors. Robots are already used to perform some relatively simple operations like a hysterectomy, when a doctor rem

发表于:2019-01-12 / 阅读(146) / 评论(0)

2016年VOA慢速英语(十二)月

钻石透镜 II by 菲茨·詹姆斯·奥布赖恩

'The Diamond Lens' by Fitz-James O'Brien, Part Two 钻石透镜 II by 菲茨詹姆斯奥布赖恩 Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice J

发表于:2019-01-12 / 阅读(231) / 评论(0)

2016年VOA慢速英语(九)月

VOA标准英语2015--英国科学家开发廉价可调眼镜

UK Scientists Develop Cheap Adjustable Glasses 英国科学家开发廉价可调眼镜 Ninety-five percent of people in Sub-Saharan Africa who need glasses don't own a pair, according to the Britain-based charity foundation Vision for a Nation. Its f

发表于:2019-01-14 / 阅读(63) / 评论(0)

VOA标准英语2015年(一月)

VOA标准英语2016--幽灵照片问世

幽灵照片问世 Photographer John Milleker is setting up for a spirit photo shoot in Sky Meadows State Park in Delaplane, Virginia. But first, he tells visitors about William Mumler, who came up with the idea of spirit photography. 在弗吉尼亚州

发表于:2019-01-14 / 阅读(324) / 评论(0)

VOA标准英语2016年(一月)

2016年苹果秋季发布会：Iphone7如何进化了？

Apple Inc. unveiled its new water- and dust-resistant iPhone 7 and a new version of its Apple Watch with high-resolution cameras at its fall product event on Wednesday, and said a Super Mario game was coming to the new phone and Pokemon Go would feat

发表于:2019-01-17 / 阅读(100) / 评论(0)

实用英语

备战英语六级听力练习题第16期

1. A) The lecture for next Monday is cancelled. B) The lecture wasn't as successful as expected. C) The woman doesn't want to attend the lecture. D) The woman may attend next Monday's lecture. 2. A) The woman has a very tight budget. B) He does not t

发表于:2019-01-25 / 阅读(96) / 评论(0)

英语六级听力练习集锦

VOA慢速英语20060401b

AMERICAN STORIES - The Diamond Lens, Part OneBy O'Brien, Fitz-James Broadcast: Saturday, April 01, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called

发表于:2019-01-30 / 阅读(109) / 评论(0)

2006年慢速英语（四）月

VOA慢速英语20060408b

AMERICAN STORIES - The Diamond Lens, Part TwoBy Fitz-James O'Brien Broadcast: Saturday, April 08, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Di

发表于:2019-01-30 / 阅读(227) / 评论(0)

2006年慢速英语（四）月

That's the difference 这就是区别所在

That's the difference 这就是区别所在 A teenager lost a contact lens while playing basketball in his driveway. yKV中国英语学习网 After a fruitless search, he told his mother the lens was nowhere to be found. Undaunted, she went outside a

发表于:2019-02-07 / 阅读(125) / 评论(0)

趣味英语

音乐咖啡厅:LeAnn Rimes - Give Me Something (I Can't Give Myself)

You know I don't need you You know I don't need your hell If you going give me something Well give me something I can't give myself Oh, don't want your money Don't want your rolodex of friends Already have me a daddy Take a new picture for your portr

发表于:2019-02-09 / 阅读(147) / 评论(0)

音乐咖啡厅

与眼有关的专业术语

Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kid's eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Gl

发表于:2019-02-13 / 阅读(69) / 评论(0)

实用英语

照相的英语表述

1. Hey, look at the chick over there. ?? 看看在那边的女孩. Kodak Tri-x film, please. 请给我柯达3-x胶卷。 Thirty-six exposures, Sir. 三十六张的胶卷，先生。 Will you please pose for your picture? 请你摆好姿势准备拍照好

发表于:2019-02-20 / 阅读(63) / 评论(0)

英语口语

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

appropriate accumulation rate

at one stroke of the pen