透镜垫片

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(511) / 评论(0) 分类 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

发表于:2018-12-12 / 阅读(72) / 评论(0) 分类 英语阅读理解

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(84) / 评论(0) 分类 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

发表于:2019-01-03 / 阅读(331) / 评论(0) 分类 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

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 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

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 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

发表于:2019-01-12 / 阅读(110) / 评论(0) 分类 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

发表于:2019-01-12 / 阅读(247) / 评论(0) 分类 2016年VOA慢速英语(九)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

发表于:2019-01-14 / 阅读(338) / 评论(0) 分类 VOA标准英语2016年(一月)

研制先进军用无人机 This is no ordinary drone. It is designed to detect and attack an enemy UAV in mid-air. Shim Hyun-chul, and his team of students are testing this new technology that could one day be used by the South Korean military. Shim

发表于:2019-01-14 / 阅读(75) / 评论(0) 分类 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

发表于:2019-01-17 / 阅读(124) / 评论(0) 分类 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

发表于:2019-01-25 / 阅读(106) / 评论(0) 分类 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

发表于:2019-01-30 / 阅读(120) / 评论(0) 分类 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

发表于:2019-01-30 / 阅读(237) / 评论(0) 分类 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

发表于:2019-02-07 / 阅读(134) / 评论(0) 分类 趣味英语

Facebook COO雪莉桑德伯格(Sheryl Sandberg)的丈夫Dave Goldberg(戴夫-高德伯格)于5月3日因意外离世,时隔1个月时间,桑德伯格再次在Facebook上发表文章,表达自己对丈夫的思念。 桑德伯格感慨,过

发表于:2019-02-08 / 阅读(118) / 评论(0) 分类 阅读空间

INNSBRUCK, Austria, Jan. 19 (Xinhua) -- An unexpected aerial bomb from World War II was found at the city center site Thursday, leading to the postponement of the daily medals ceremony at the inaugural Winter Youth Olympic Games (YOG). The aerial bom

发表于:2019-02-08 / 阅读(99) / 评论(0) 分类 英语新闻

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(160) / 评论(0) 分类 音乐咖啡厅

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(80) / 评论(0) 分类 实用英语

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(76) / 评论(0) 分类 英语口语
学英语单词
abaton
acoustic signature
air cock
Arabic figures
Arc of Lowitz
astute
auto-redirects
Bangaon
beet pump
beg, borrow
bidirection superior cavopulmonary anastomosis
blow-by of piston
bludges
boundary determination
buildt
Calophaca sinica
capillary beds
cascade hydropower development
chefdom
chopper stabilization system
confisacte
Connectionless protocol
continuous structure
copper nickel welding rod
crank shaft bearing
deck-operated cargo oil valve
dysmetropsias
Eastern rite
economize raw materials
electrostatic bearing
empirical process
empty-handedness
enmeshing nets
entry and search of premises
fiscal domain
golfing
Gotar lens
gotten stuck in
gut gauze
gypsophyte
had as lief
hemiazygos vein
hexagonal grid
hydroclinohumite
in-line gun
incorporealities
instrument and apparatus
interpulse period
ipecae fluidextract
leucoaurin
Llanilar
logarithmic mean
low temperature separation
magnetic reactance
main entry
Marina di Gienosa
merge all
mesobiosis
methyl valerate
mixed distribution
moose
myodynamic
nonmilitarized
Nouvelle-France, C.de
orthonormalized
permanent contact
phytosis
Pont-sur-Sambre
rahaman
Ramus communicans cochlearis
reaeration rate
reference phase scale
refunctionalized
regent's
reverse head
rotary voltmeter
rozye
salivaaspirator
scherr
scripturalness
security coefficient
Sedobrol
shade-guide
space queens
stahr
sulphochlorination
suture zone
Sǒjosǒnman
tapered cowl
telephone trunk
the FAA
tiyin
total electrical charge
total reflection
trumpet-shaped ruby laser
unexchanged
uranium fission
vertical centrifugal machine
vertical cylinder screen separator
whirling cutter milling
wodde
yellowier