光场象

Lesson 117 Father used to be a Boy Scout Narrator: The Clarks went camping last week-end. They put up their tent in a field. Father: If you collect some sticks, children, I shall light a fire. Sandy: Here you are, dad. Sue: Weve brought lots of dry s

发表于:2018-12-02 / 阅读(146) / 评论(0) 分类 朗文3L看听学英语第三册

Light goes through the pupil, the dark hole in the center of your eye. The light becomes an image on the retina, which converts these images into nerve impulses. The brain reads these impulses and tells you what you are seeing. The image that the ret

发表于:2018-12-11 / 阅读(129) / 评论(0) 分类 原版英文小故事

03 Using a Camera GLOSSARY camera a device used to take photographs of images, people, or scenes * Im not a professional photographer, so I dont need an expensive camera. Justa simple camera is good enough for me. photography the art and science of t

发表于:2018-12-26 / 阅读(216) / 评论(0) 分类 2010年ESL之旅行交通购物

(woman) Most people think of astronomers as people who spend their time in cold observatories peering through telescopes every night. In fact, a typical astronomer spends most of his or her time analyzing data and may only be at the telescope a few

发表于:2018-12-30 / 阅读(137) / 评论(0) 分类 托福听力短文

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(172) / 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(113) / 评论(0) 分类 60秒科学

The auroras dancing displays of celestial light 在天空中熠熠生辉的极光 are caused by particles from the solar storm smashing 是太阳风暴夹带的微粒 through the magnetic field at the poles. 撞击地球两极磁场的结果 When the

发表于:2019-01-02 / 阅读(198) / 评论(0) 分类 太阳科普

University of Cambridge scientists have trained sheep to recognize the faces of famous people. The scientists hope facial recognition may help with their understanding of neurodegenerative diseases. The researchers showed the sheep pictures of people

发表于:2019-01-03 / 阅读(205) / 评论(0) 分类 2017年VOA慢速英语(十一)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(161) / 评论(0) 分类 Scientific American(六)月

Raincoats. Finlandia. Raincoats and lakes. The best words, I take along in my field bag. Across the morning, the beautiful air, I will be aware. I'll speak if I dare, and stay calm, stay calm, stay calm, stay calm in the meantime, stay calm, stay cal

发表于:2019-01-11 / 阅读(137) / 评论(0) 分类 美国乡村音乐

BBC Learning English London Life School builds huge camera obscura Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In London Life today, we visit a school to hear about a very unusual new piece of playground equipment! The Mic

发表于:2019-01-16 / 阅读(223) / 评论(0) 分类 伦敦生活

本期内容: Sometimeswefeelthatweneedtobesomeoneelseinordertofitin,beabettermotherorwife,orportrayanimagethatwebelieveeveryoneelsewilllove.Nomatterhowhardyoutrytobesomeoneelseyouwillneverbegoodenough.Youwilldothebestandbethehappiestonlyifyoustopl

发表于:2019-01-19 / 阅读(114) / 评论(0) 分类 口语侠每日早读

By David Byrd Washington 14 June 2006 The second major golf tournament of the season, the U.S. Open, tees off Thursday in New York with Masters Champion Phil Mickelson seeking his third straight major title. The tournament also marks Tiger Woods' re

发表于:2019-01-19 / 阅读(178) / 评论(0) 分类 2006年VOA标准英语(六月)

One summer night a man stood on a low hill overlooking a wide expanse of forest and field. By the full moon hanging low in the west he knew what he might not have known otherwise: that it was near the hour of dawn. A light mist lay along the earth, p

发表于:2019-01-23 / 阅读(122) / 评论(0) 分类 中级类英语听力

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(178) / 评论(0) 分类 英文语法词汇

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(263) / 评论(0) 分类 自然百科2012年

Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析,夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns

发表于:2019-02-16 / 阅读(158) / 评论(0) 分类 经济学人科技系列

Topics: Ask an American: Libraries Using Ad Campaigns to Improve Image and Funding; making introductions; stack versus stock Words: to light up to click deficit geek mental synapse to get (ones) geek on billboard poster reaction hip to hit to introdu

发表于:2019-02-23 / 阅读(101) / 评论(0) 分类 美语听力 English Cafe

At some point in our childhoods it dawns on us how incredibly great it would be to turn invisible. Just imagine all the places you could sneak into! Think of all the things you'd get to see! Well, nobody knows yet how to make a person invisible. But

发表于:2019-03-06 / 阅读(172) / 评论(0) 分类 英语时差8,16

SPIM stands for Selective Plane Illumination Microscopy. SPIM is a new kind of microscope technology. It provides a significantly sharper image than current microscopes, and it also allows one to study living organisms without destroying or harming t

发表于:2019-03-06 / 阅读(175) / 评论(0) 分类 英语时差8,16
学英语单词
aboul
actio quod metus causa.
antiarbitration
ariodante
aroma jewelry
baimonidine
biocalcifying
bivariate normal surface
Botiinae
Breakage of Packing Clause
Bromopalmitate
cantest
cholecalciferol
co-resident modules
cobaltnickel
Colpodi dae
corroded mutant
CR/CRE
customs notice of liability
doping density
Doxaphene
dzhulukulite
edacity
ekow
El Muerto, I.
electrorotation
elevation of boiling point
enundation
euphemize
eupsychian
exercise dominion over
exit ramp control
family Bignoniaceae
fluorescence titration
formal region
fosfructose
frog heel spread
fuser station
golt
graph of a fuzzy switching function
hambargh
hard rock tunneling machine
HIV-negative
I/O (input/output)
ictal
interactive rhetoric strategy
kurzweil
lay together
Loschmidt
low-circulations
lunardini
madecassoside
management by personal supervision
marital right
marly
mold-making
montebelloes
multilocular foraminifera
mutton
nervi cutaneus antebrachii dorsalis
nounhood
nutrient chemistry
one-dimensional
ordered recall
organosilicon epoxy resin
pentane plus
plasmatoogosis
plug-type
positive acute angle
punto (panama)
Quiindy
radiozinc
resistance to transverse displacement of track
rlogins
saline enema
Samarinae
Sangch'ang-ri
scale division value
scope photograph
sea-ice frequency
shear cleavage fold
Shona, Eilean
Shute, Nevil
single squirrel cage motor
standard torque equipment
straight pin terminal
stronach
tagmemes
Taira Masakado
third reserve component
Tooele County
top of head
top skimmer
Tārāti
United Automobile Workers
unlovelier
unpretentiousness
urticae
Uubulan
vedute
vociferations
voronov