光敏效应

Gene Therapy Halts Vision Loss in Dogs Researchers have stopped vision decline in dogs with an inherited disease that causes blindness. The gene therapy technique they used may someday stop vision loss in humans. Retinitis pigmentosa (RP) is an eye d

发表于:2018-12-16 / 阅读(151) / 评论(0) 分类 VOA标准英语2012年(二月)

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 2015年Scientific American(一)月

[00:06.37]Some people cannot see all colors correctly. [00:10.92]They cannot see all the colors in a rainbow or a sunset. [00:16.40]They cannot tell if the meat they are cooking is done or if a fruit is ready to be eaten. [00:23.61]Poor color sight a

发表于:2018-12-26 / 阅读(149) / 评论(0) 分类 美国英语听力80篇

Night Vision And Humans: Why Cant We See Color? When we are in a fairly dark room, or outside at night away from lights, we can still see, but we cant see the colors of things very well. Why is that? There are two kinds of light-sensitive organs loca

发表于:2018-12-31 / 阅读(176) / 评论(0) 分类 英语听力文摘 English Digest

Todd: So, Raphael, what did you study at university? Raphael: My main specialty is stage design, but stage design is basically theater decoration, but it tends to disappear because there is not so many job in this field, so it's closely related to in

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 英语访谈对话

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(233) / 评论(0) 分类 太阳科普

1. 短语动词 be about to do 刚要 , 即将 be friends with 与 ... 友好 bear in mind 记住 bring into effect 实行 ; 使生效 bring into operation 实施 ; 使生效 can not help 禁不住 , 忍

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 英文语法词汇

By Penelope Poulou Washington, DC 01 May 2006 watch United 93 report A movie about the tragic events of September 11, 2001 plays, for the first time ever, in the movie theaters. The film

发表于:2019-01-13 / 阅读(195) / 评论(0) 分类 2006年VOA标准英语(五月)

Have you ever daydreamed about traveling through time, perhaps fast forward in the centuries and seeing the distant future? 你曾白日梦过穿越时空吗?或者穿越到几百年之后及看到遥远未来? Well, time travel is possible, and

发表于:2019-01-17 / 阅读(137) / 评论(0) 分类 TED演讲教育篇

Todd: So, Raphael, what did you study at university? Raphael: My main specialty is stage design, but stage design is basically theater decoration, but it tends to disappear because there is not so many job in this field, so it's closely related to in

发表于:2019-01-19 / 阅读(127) / 评论(0) 分类 原版英语对话1000个

By Paul Sisco Washington 16 April 2008 A congressional subcommittee recently heard testimony that sensitive aircraft technology and a vast array of stolen military gear is for sale on eBAY, Craigslist and other Internet sites. A Government Accountabi

发表于:2019-01-20 / 阅读(220) / 评论(0) 分类 VOA常速英语2008年(四月)

Because from trillions of miles away, these small planets get lost in the blinding glare of their stars brightness. The sad truth of the matter is that earth-like planets are near cosmic specks of dust. And therefore detecting them is really quite ha

发表于:2019-01-22 / 阅读(150) / 评论(0) 分类 自然百科2010年

Cats And Colors You can look at that quilt your cat is curled up on and see a patchwork of greens, blues, and yellows. Your cat, however, cannot see color variation in the quilt. And here is why. Both humans and cats depend on the back layer of the e

发表于:2019-01-22 / 阅读(181) / 评论(0) 分类 英语时差8,16

BEIJING, Jan. 6 (Xinhua) -- Drivers who ignore yellow traffic lights will mostly receive warnings and education, and for the time being, they will not be penalized, the Ministry of Public Security announced Sunday. According to the newly-revised traf

发表于:2019-02-04 / 阅读(148) / 评论(0) 分类 英语新闻

长得像又容易记混的单词,需要花更多的时间记忆。普特君为你总结了24组易错形近词,寒假花点时间背诵记忆吧~ 9.invaluable/valueless ① invaluable:highly valuable,precious 非常贵重的,其同义词是

发表于:2019-02-05 / 阅读(146) / 评论(0) 分类 英文语法词汇

BEIJING, July 26 (Xinhuanet) -- Hong Kong scientists announced that they had determined the idea of time travel is impossible by proving nothing can travel faster than the speed of light. The finding is contained in a study done by a research team fr

发表于:2019-02-06 / 阅读(177) / 评论(0) 分类 英语新闻

The classic signs of low emotionalintelligence 经典的低情商表现 Thinking that other people are overly sensitive. 认为别人过分敏感 People who are low in EQ might crack off jokes at inappropriate times. 低情商的人总是在不恰当的

发表于:2019-02-16 / 阅读(123) / 评论(0) 分类 英语听力广播—Listening

Cats And Colors 人类能够很容易的分辨出不同的颜色。那么猫呢?虽然猫的视力很好,即使在非常昏暗的光线条件下也能看见,但它对于如何分辨不同的颜色似乎并不擅长。 Cats and Colors on this mo

发表于:2019-02-24 / 阅读(166) / 评论(0) 分类 英语听力文摘 English Digest

Idiom: Let's call it a day (it is time to stop working on something) Hit the book: Why is looking out into space the same as looking back in time? Why do people sometimes say that when we look at stars that are very far away that we are looking back

发表于:2019-02-26 / 阅读(193) / 评论(0) 分类 趣味青春英语

Todd: So, Raphael, what did you study at university? Raphael: My main specialty is stage design, but stage design is basically theater decoration, but it tends to disappear because there is not so many job in this field, so it's closely related to in

发表于:2019-03-06 / 阅读(217) / 评论(0) 分类 英语趣味课堂
学英语单词
aformer
albo-carbon
ammonioleucite
ancient ceramics
argentaffine cells
audit of bank loans
Balingian R.
ballaset core bit
basicytoparaplastin
Bencatel
bilverketch
blackhead disease
bleached hair
break down diode
Bristol whitebeam
clawedness
coastwise
comparator with cover
coordination polymer
dance healing
date finger
demand for capital goods
estacades
euthalia hebe kosempona
eye rhyme
FIMBRA
first stage graphitization
fldxt.
flurrie
fresh news
grounded base equivalent circuit
hairpinning
hamburger menus
helling
impressed current system
JJA
Juliusburg
lefteyed flounder
linguo-nasals
main reason
maribott
Marlandy Hill
matrix manipulation language
multiplexor channel operation
Neo-Fulcin
nomotechnic
non-gene
nonlinear system stability
Nordfjordeid
official document
Ojailén, R.
operation statement
Orcadas
organic slime and algae control
outer acrosomal membrane
paavoes
perpetual injunction
pivoted detent escapement
Policy Holders Protection Board
print run
priv.pr.
procurement regulation
proofplane
proterophragma
ranty
reinhartz
relay servo
reose
replaceable units
rhamnus chingshuiensis chingshuiensis
ring shaped green belt
s-h-i-t
see through someone's game
setiferous
setting fires negligently
sexual hormone disturbance
shannon's fundamental theorem
Shohl-King method
silveralloy
solutio
sonic comparator
stock exchanges
stretcher duster
subject-to opinion
substaunce
suntan lotions
sweet-sour sauce
take-up pan
Tchekov, Anton Pavlovich
temperature coefficient of resistivity
Timber Trade Federation
tobacco use
toll communication network
track width
transfission
triangular fin
tringa incana
two cultures
vertical crossing
white-listed
whizzs
zero position index grating