视网膜视部,视网膜神经部

第一章 视器 Chapter 1 Visual Organ accessory organs of eye 眼副器 adipose body of orbit 眶脂体 aqueous humor 房水 bulbar conjunctiva 球结膜 central artery of retina 视网膜中央动脉 chambers of eyeball 眼房 choroids 脉络膜 ciliary body 睫状体 ciliary

发表于:2018-12-05 / 阅读(128) / 评论(0) 分类 医学英语

Iranian President Mahmoud Ahmadinejad, left, waves to the media during his departure ceremony as he leaves Tehran's Mehrabad airport, while accompanied by Vice-President Mohammad Reza Rahimi (file photo) Iran inaugurated part of what it said is a new

发表于:2018-12-08 / 阅读(88) / 评论(0) 分类 VOA标准英语2010年(八)月

MICHEL MARTIN, HOST: Philadelphia is ending a major contract with Immigration and Customs Enforcement. Federal immigration agents have long had access to an arrest database maintained by local authorities there. But activists and now top city officia

发表于:2018-12-18 / 阅读(70) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Bring home a bucket of fried chicken and you may find that people have strong feelings about which part of the bird is best. Well, scientists at Washington University in St. Louis say the answer is: the eyes. At least when you compare them to our own

发表于:2018-12-24 / 阅读(66) / 评论(0) 分类 Scientific American(二)月

Even a visit to the grocery store can overload the senses. It's noisy, bright and smelly. The nose is working overtime. High up inside, specialized nerves dangle in the airstream. They detect chemicals in the air and send an electrical signal to the

发表于:2018-12-30 / 阅读(106) / 评论(0) 分类 国家地理2007年

For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for c

发表于:2018-12-31 / 阅读(74) / 评论(0) 分类 有声英文阅读

吃鸡肉时,你知道鸡身上的哪个部分是最好的吗?科学家的回答是:眼睛。科学发现,鸡的视网膜锥(体) 数量比人类多,因此可以感知更多的色彩。 Super Chicken Vision Bring home a bucket of fried chic

发表于:2019-01-02 / 阅读(101) / 评论(0) 分类 60秒科学

Two studies of perception: the retinas of depressed people are far worse at responding to contrast; people doubt statements more when the speaker has a foreign accent. A couple of studies on perception. First, theres now visual data to back up the id

发表于:2019-01-02 / 阅读(67) / 评论(0) 分类 60秒科学

​Apple has said that its latest computer operating system, Mavericks, is available free of charge. The California-based company made the announcement Tuesday at an event in San Francisco. 苹果公司表示,其最新款的电脑操作系统Maveri

发表于:2019-01-05 / 阅读(66) / 评论(0) 分类 CCTV9英语新闻2013年10月

Iran is hosting a international conference on its natural gas exports Saturday and Sunday in Tehran. Organizers say the meeting is aimed at developing Iran's rich natural gas sector. Iran is under international sanctions over its nuclear program and

发表于:2019-01-06 / 阅读(78) / 评论(0) 分类 VOA标准英语2008年(十月)

A couple of studies on perception. First, theres now visual data to back up the idea that everything looks kinda gray when you feel blue. Researchers examined how the retina responds to different black-and-white contrast situations. They did the test

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(七)月

By Melinda Smith Washington 10 July 2007 A recent study in the Journal of the American Medical Association shows that older people who carry certain genes are more susceptible to a loss of their central vision. That loss of sight is an advanced form

发表于:2019-01-09 / 阅读(164) / 评论(0) 分类 2007年VOA标准英语(七月)

Nekron's dark pages proclaimed the worst Of all the known prophecies Erian's book, the only possible way to stop it Had to be found The hour had come to answer The angels' last desperate call ARCANA MALA DICTA ARCANA MORTIFERA AD GLORIAM INFLAMMATUS

发表于:2019-01-10 / 阅读(107) / 评论(0) 分类 英文摇滚歌曲

Eye Test May Reveal Parkinsons Disease Earlier Parkinson's disease is usually discovered too late in patients for effective treatment. But now there's a new eye test that could diagnose the devastating condition much earlier. The degenerative conditi

发表于:2019-01-14 / 阅读(91) / 评论(0) 分类 VOA标准英语2016年(九月)

激光手术,大饱眼福 For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for cover. Interested in re

发表于:2019-01-30 / 阅读(64) / 评论(0) 分类 双语有声阅读

LONDON, Aug. 5 (Xinhua) -- Usain Bolt set a new Olympic record of 9.63 seconds as he won the 100 meters gold medal on Sunday night. Bolt finished ahead of fellow Jamaican, Yohan Blake, who finished in 9.75 and Justin Gattlin, who ran 9.79, one hundre

发表于:2019-02-03 / 阅读(99) / 评论(0) 分类 英语新闻

Science and technology 科学技术 Navigation 航海 Crystal gazing 水晶球观海术 A mineral found in a shipwreck was an ancient form of compass 在沉船里发现的矿石是古代的一种指南针 THIS may look like a nondescript lump of rock

发表于:2019-02-08 / 阅读(67) / 评论(0) 分类 经济学人科技系列

In this Moment of Science Don gives Ya?l a neat trick to play on her brain. You might want to try it, too. D: Here's a simple demonstration you can do with cool implications. Find a large object that is brightly colored--let's make it a green door. S

发表于:2019-02-15 / 阅读(61) / 评论(0) 分类 英语时差8,16

Like glasses, contact lenses work by bending light rays just the right amount to make the object come into focus on the retina at the back of the eye. Sometimes the eyes natural lens has an imperfection or may not be shaped properly, which can make y

发表于:2019-02-15 / 阅读(84) / 评论(0) 分类 英语时差8,16

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(119) / 评论(0) 分类 英语时差8,16
学英语单词
additional entry
air locomotive
alentejoes
altitude compensating carburetor
azimuth rotational motion
azodine
Balyktyg-Khem
bar potential measurement
base-stripped emulsion
blast furnace flue dust
brace sb for a loan
bulb voltage
cantiling
capital increase plan
chaced
cleaner disks
Cochise Head
coking of tube
colopexy
compass tube
continuous plane curve
continuous-flow chromatography
crowdy crawn
cuteys
devgadh bariya
doolally
dose-response
drownable
earmarked deposit for tax
Enemion raddeanum
entrance dose
Evrychou
fresh garlic
gas-liquid equilibrium process
genus Cercidiphyllum
globe cased turbine
godlevskite
hagia sofias
half-crouch
hand computation
Hanzi input
have a stiff upper lip
head of pump
hexadecyldimethyl benzyl ammonium
high reliefs
Hindu-Arabic numeral
hughiing
infinitus
interleaved 2 of 5 bar code
intermediate supraclavicular nerves
it doesn't grow on trees
just another
Leptokarya
littoral industrial area
Megalotinus
mirocebus coguereli
model option
mold level control
Motu Iti Atoll
mukulas
mulberry mark
non-storage space
Normanby Island
not before time
oviduct funnel
pagurus similis
papaya tree
Pepreomycin
phosphorous print
photon-counting statistics
physical fitness of seaman
piercing impression
play-money
Pommerit-Jaudy
praetorians
quiescent-carrier telephony
real income per capita
replacers
retromolar triangle
rippers
Rodopis, Nomos
roxbyite
sirtris
slag-forming
slotted blade
Soonee
standby auxiliary plant
stool tank
Sulfoxyl
superdiet
tangential path
the bedouin
Tofta
transcanada
Transkeian
trunk wrapper
tuberculosis of intrathoracic lymph nodes
Veringendorf
well fluid logging
Wells, Fargo and Company
Whitemark
working critical temperature