单词：plano convex lens
单词：plano convex lens 相关文章
AS IT IS 2013-06-29 Man of Steel Still Going Strong Hello again, and welcome. Im June Simms in Washington. Today on As It Is, we celebrate the life and times of one of worlds most beloved superheroes. Well hear the story of how Superman came to be an
2013年VOA慢速英语(六)月
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
2018年VOA慢速英语(二)月
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
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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
2011年VOA慢速英语(六)月
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
2018年VOA慢速英语(三)月
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
Scientific American(六)月
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
VOA慢速英语2008（十）月
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
2011年VOA慢速英语(六)月
'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
2016年VOA慢速英语(九)月
By Greg Flakus Dallas, TX 21 September 2006 watch American Ramadan Movie Muslims around the world will begin a month of fasting and prayers known as Ramadan on September 23rd. (The exact date is determined by Muslim holy men using the lunar calendar
2006年VOA标准英语（九月）
Small Illinois Town Gets Boost From New Superman Movie Plano Mayor Bob Hausler said, I would say a great Midwestern small town, and we epitomize that. Hausler was in charge of the city's government in 2011 when a Hollywood production company came to
VOA标准英语2013年(六月)
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
VOA标准英语2016年(一月)
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
实用英语
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
英语六级听力练习集锦
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
2006年慢速英语（四）月
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
2006年慢速英语（四）月
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
趣味英语
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
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