双向透镜

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(556) / 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(151) / 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(136) / 评论(0) 分类 2011年VOA慢速英语(六)月

Do you resemble someone famous? Jo: Hello, this is Real English from BBC Learning English, Im Jo. Sun Chen: 嘿,你好吗?我是孙晨。 Jo: In Real English, we look at words and phrases that you might not find in your dictionary. Sun Chen: 你是不是已经发

发表于:2019-01-02 / 阅读(175) / 评论(0) 分类 地道英语在线听

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:2019-01-02 / 阅读(114) / 评论(0) 分类 60秒科学

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(390) / 评论(0) 分类 2018年VOA慢速英语(三)月

By Ted Landphair Big corporations use memorable slogans or symbols -- like the

发表于:2019-01-03 / 阅读(177) / 评论(0) 分类 VOA2004(下)--文化艺术

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(164) / 评论(0) 分类 Scientific American(六)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(156) / 评论(0) 分类 2011年VOA慢速英语(六)月

Double, Double play pause stop mute unmute max volume 00:0005:28repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. OPHIRA EISENBERG, HOST: Now it's time to

发表于:2019-01-17 / 阅读(159) / 评论(0) 分类 2016年NPR美国国家公共电台10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(292) / 评论(0) 分类 2006年慢速英语(四)月

大家都知道spit的意思是“唾液”。可奇怪的是,有一个和spit相关的词组spit and image的意思却是“和……一模一样的(人或东西)”。 语源学界普遍接受的

发表于:2019-01-31 / 阅读(179) / 评论(0) 分类 英文语法词汇

今天我们要讲的两个习惯用语有同样的意思。它们都用来说某一个人非常像另一个人。第一个习惯用语是:dead ringer。 Ringer原来意思就是酷似某人的人或者很像某物的东西. Ringer有时可以指冒名

发表于:2019-01-31 / 阅读(261) / 评论(0) 分类 美国习惯用语

photo, photograph 照片,像片 snapshot, snap 快照 photographer, cameraman 摄影师 backlighting 逆光 backlighting photography 逆光照 luminosity 亮度 to load 装胶卷 focus 焦点 to focu

发表于:2019-02-02 / 阅读(142) / 评论(0) 分类 英文语法词汇

Ted Landphair | Washington, DC 30 November 2009 One of the hottest terms in the mushrooming field of personal communication devices - including cell phones and other palm-sized gadgets - is app - short for application. These handheld phones, texting

发表于:2019-02-05 / 阅读(103) / 评论(0) 分类 VOA标准英语2009年(十二月)

CHENGMAI, Hainan, Dec. 9 (Xinhua) -- As China seeks to shake off its image of the world's mass-producer of cheap products and move up the value chain, Chinese companies are trying to reshape their reputations in the international market to win accept

发表于:2019-02-07 / 阅读(177) / 评论(0) 分类 英语新闻

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(182) / 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(238) / 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(143) / 评论(0) 分类 实用英语

The Chinese government is accusing Japan of intentionally tarnishing China's image. The accusation comes following reports that a Chinese vessel put a radar firing lock on a Japanese naval patrol in the East China Sea this week. Chinese foreign minis

发表于:2019-02-21 / 阅读(152) / 评论(0) 分类 英闻天下
学英语单词
acetate process
Aedes hatorii
amplitude ratio of 2T sine squared pulse and bar
argy bargy
benisa (benissa)
blade without filler pieces
boarfishes
carrion-eaters
Cazones
chess competition
cobble rifle
credit terms
data collection buoy
diddums
direct sum of unitary representation
duties and taxes
earth synchronous orbit
Facebook Minute
final closing bracket
fish-tail wind
frame section surface
fresh water vegetation
gath (gat)
gittin'
grangers
gray paint
hair-pulling test
historical low
hydroelectric steering engine
hydrologic geology
igniters
inharmony
intrications
isoionic point
kamlet
karabakh
linen paper
low-energy material
manual mode
means of evacuation
measuring pulley tooth clearance
mermaidens
mixed bones
moon-rock
negative afterpotential
Neo-Liberty
neofiber
nonpassage of signal
obdc driver
obligatory-facultative reinsurance
passed judgment
Percina tanasi
pharynx bulbus
plitch
Pravidel
preferential flotation
PRELORT
problem reduction planning
process economics
radar display technique
rectorates
repair on technical conditions
resident module
roll knobbing
rpra
rs-232 interface
screening height
seccarara (italy)
short head cone crusher
silvertoun
sonar scanner
stratigraphists
structural riveting
sym.-dipropylurea
tabletPC
tendernesses
tephrites
terra damnata
tetragonal normal class
third-youngest
throw in one's hand
tipped pick
Toro, R.
total period capacity
transistor madistor
transmontanes
transveres lesion
trouble signal
type erasure
umaxes
underlying phonological representation
undulating surface
venetian glasses
virility
waisting
wall line
waterjugs
wet net
windowless presenter
wipedowns
wire file
zero-phase sequence current