准直透镜

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) 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(63) / 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(79) / 评论(0) 分类 2011年VOA慢速英语(六)月

Unit 56 Dialog 1 Hello, I need new contacts. Do you need to have your eyes examined? Yes, I do, do you carry disposable lenses? We shall do. we have a special which inclues the eye exam and your lenses for six weeks, the price is five thousands and

发表于:2018-12-26 / 阅读(62) / 评论(0) 分类 英语会话速成

今天,我们聊聊美瞳 美瞳是好多女生的潮流物件,拿来自拍也美美哒。不过美瞳是属于最高危险级别的医疗器械,你了解吗? 出门在外,忘记带护理液了,顺手拿矿泉水冲一冲美瞳,这样根本

发表于:2018-12-28 / 阅读(47) / 评论(0) 分类 早安英文

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(328) / 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(109) / 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(103) / 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(105) / 评论(0) 分类 2011年VOA慢速英语(六)月

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(147) / 评论(0) 分类 2016年VOA慢速英语(十二)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(234) / 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(325) / 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(103) / 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(97) / 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(111) / 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(229) / 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(127) / 评论(0) 分类 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

发表于:2019-02-09 / 阅读(150) / 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(70) / 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(68) / 评论(0) 分类 英语口语
学英语单词
ACC (accessories)
activated bleaching earth
actuating mechanism
alerce
alterniflora
amed
antique finish
ARCSE
attitude and heading reference system (ahrs)
avoirdupois ounce
barley wire worm
Binnen
bitter docks
burn-up factor
career goal
chemical waterproofing
chew off
cockhorses
coffman
coinquirer
collateral ligaments of joint of fingers
complementary bipolar ic
continuous tunnel furnace
controlled postmortem programme
crude rate
cusp-fossa relations
cycle billing method
de-fund
dimethyldichlorosilanes
Draba sibirica
drumstick-fingers
encryption scheme
eventualising
Faustian
flyer's fatigue
frame output transformer
freshest
fuckfests
Fufen
full of yourself
funfests
fyvel
Gardiografin
glampires
go far enough
high power led
high speed welding
host assembler
hydraulic calcium silicate
integrated data presentation
inter-marriages
JACS
jonathan trumbulls
kilo-
lacquer stripping method
lepidobatrachus laevis
loose-stone
low-light-level slow scan TV camera
mahaila
mandefro
microbarographic
minimum proteins
moisture regain
monoubiquitin
musk oxen
natural screen
Ngwempisi
non-interventions
nonindurated
nonstudious
oneirologists
OTECs
oxyuricides
Pars medialis
partial cash
pitch changing system
pneumatoscob
quadrireme
quadrupole quantization
rajah
relative fluidity of slip
rosenstiel
Satau
sensitive phosphor
software memory mapping
ST_media-and-publishing_broadcasting-organizations
sterile distribution
substantivity ratio
sulfoglycoprotein
synka-vit
tidal information panel
tied double changeover design
timeboxing
transeptae
tussock bellflower
two letter signal code
unexcusable
unselects
virtual memory address
vomative
warm language
wilderstein