渐进性视网膜萎缩

Worms seem like strange animals to send to the International Space Station. It's not like astronauts are going to take time off to go fishing and need to bait their hooks. So why send worms? Believe it or not, scientists are using a microscopic worm,

发表于:2018-12-07 / 阅读(153) / 评论(0) 分类 大千世界

DAVID GREENE, HOST: Here's a trend. Far more Democrats are describing themselves as progressive these days than they did four years ago. There are strategic reasons candidates are embracing this label. But one major reason, as NPR's Asma Khalid repor

发表于:2018-12-18 / 阅读(87) / 评论(0) 分类 2018年NPR美国国家公共电台10月

E-Commerce-Shopping-Internet 电子商务-购物-国际网络 Online shopping has become very convenient in recent years.Most big name companies have wed sites offering information on their products and online stores allowing shoppers to purchase the

发表于:2018-12-25 / 阅读(72) / 评论(0) 分类 一片通英语听力

Baumeister and his colleagues 鲍迈斯特和他的同事们 have shown that taking certain actions to improve willpower 已经证明 采取某些行动来提高意志力 is the surest way to a more successful life 是实现更成功的人生的最可靠

发表于:2018-12-30 / 阅读(82) / 评论(0) 分类 公众人物毕业演讲

Why Is Gravity Good For Us? When astronauts return from long missions in space, their exit from the spacecraft is usually hidden from public view. This is because after several months in weightless conditions, things we usually take for granted, such

发表于:2018-12-31 / 阅读(87) / 评论(0) 分类 英语听力文摘 English Digest

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(81) / 评论(0) 分类 60秒科学

Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our episodes on progressive and perfe

发表于:2019-01-02 / 阅读(106) / 评论(0) 分类 2017年VOA慢速英语(一)月

The first robot exoskeleton in China, named AIDER, has been officially unveiled in Chengdu, Sichuan province, making China the fourth country in the world to develop the cutting-edge technology. 中国首个名为AIDER的外骨骼机器人日前在四川

发表于:2019-01-07 / 阅读(108) / 评论(0) 分类 英语新闻

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(99) / 评论(0) 分类 Scientific American(七)月

When people suffer from a migraine, they often retire to a cave-like dark room. But exactly why does bright light hurt the migraine sufferer? A possible answer was published this week in the online issue of journal Nature Neuroscience. A big clue was

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(一)月

Lifelong Bilingualism Gives Seniors Mental Edge From VOA Learning English, this is the Health Report in Special English. A new study adds to evidence suggesting that being bilingual is good for the brain. In the study, older adults who have spoken tw

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2013年VOA慢速英语(五)月

The Perfect Progressive Tenses Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our ep

发表于:2019-01-12 / 阅读(167) / 评论(0) 分类 2016年VOA慢速英语(一)月

Are You Progressing with Progressive Tenses? Editors note: This is the second of a four-part series on verb tenses. Click here to see part one. For VOA Learning English, this is Everyday Grammar. Today we are going to look at the progressive verb ten

发表于:2019-01-12 / 阅读(122) / 评论(0) 分类 2016年VOA慢速英语(一)月

Study: Bilingual Seniors Have Mental Edge Previous studies have shown bilingualism seems to favor the development of heightened mental skills. The new research, published in Neuroscience, provides evidence of that cognitive advantage among older, bil

发表于:2019-01-13 / 阅读(98) / 评论(0) 分类 VOA标准英语2013年(一月)

STEVE INSKEEP, HOST: Richard Cordray was expected to be unbeatable in tomorrow's Ohio Democratic gubernatorial primary. The former head of the Consumer Financial Protection Bureau has high-profile name recognition and support from powerful people in

发表于:2019-01-16 / 阅读(136) / 评论(0) 分类 2018年NPR美国国家公共电台5月

导言:各位亲爱的同学,看到surly和comely是否很熟悉呢?想不想知道这俩看着很熟悉的单词是什么意思呢?那就快点往下看吧!GRE单词语境记忆,让记忆单词快速准确! Bawdy淫秽的 The Bard was sometime

发表于:2019-02-01 / 阅读(125) / 评论(0) 分类 GRE英语

TOKYO, Feb. 1 (Xinhua) -- Japan's Ministry of Health, Labor and Welfare on Wednesday approved transplant of retinal cells to treat patients using induced pluripotent stem (iPS) cells derived from another person. According to Japan's public broadcaste

发表于:2019-02-03 / 阅读(83) / 评论(0) 分类 英语新闻

STEVE INSKEEP, HOST: You know, when I was a kid, I watched pro wrestling on TV. The matches often featured a good guy, like Hulk Hogan, against a bad guy, a bad guy like the Iron Sheik, a cartoonish Middle Eastern evil dude. Pro wrestling played off

发表于:2019-02-13 / 阅读(104) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Idiom: Run before you can walk( be patient ) Hit the book: Retinal detachment Macular degeneration Cataract Light sensitivity Blurry Side effect Randomly Respectively Optical And high myopiawhere the eyeball stretches and becomes too longisn't just

发表于:2019-02-16 / 阅读(162) / 评论(0) 分类 趣味青春英语

now i don't know when it's hard to explain but it seems like things are kind of insane because the world is crying but nobody's listening so please leave a message on my cellphone i see bullets getting better biblical weather and the guy on tv is, li

发表于:2019-02-18 / 阅读(76) / 评论(0) 分类 英文摇滚歌曲
学英语单词
antiosteroporosis
arbitrage international
As if!
as weak as a cat
autoxidation
bandon
Beltrami flow
black hellebores
boroscope
Buy A Bounce
capacity for right of the natural person
carry out an experiment with
chicken soup
coerebas
crowd-poisoning
cycasin
decade counting tube
diamond anastomose
direct reaction
door tender
doyne
edgeling
eustratite
exsheaths
field crop irrigation
fishery port
fixed table belt sander
flat field lens
frays
fuel air cycle
Goszczanów
gryking
heavy-duty geared head lathe
heptopargil
history button
hnrca
hypnotise
initial vertex
input/output record block
intralobular veins
isothermal asymptotic surface
Landau theory
light aircraft
magnetic high
main propulsion gas turbine
malformation
median episiotomy
moonballing
Mortierella
mugs' games
multilateral political treaty
natica gualteriana
need I say more
obuda
on-axis engineering constant
one-sided vs. two-sided message
or die in the attempt
Ossicula auditoria
outsources
oyster culture
packaged propellant
peri-acid
Perquimans County
phase of boring
piston ring remover
poust
prayer meetings
pre-eminences
preparing the audit
protogenoi
Pulpa dentis
push button contact
quank
rate adaptation
rca video
reactionary organization
reduction rule
refixed
replacement theorem
retail-store
rhinal sulcus
rivet-holder
rubster
seakindly form
semi-automatic position fixing
ship railway
single-distilled water
slop starching machine
solid-fueled rocket
spring out
superior government
Tarinus
Tigrovyy
Turnerella
uglying
unsubjugate
upsettably
voicestream
weibullite
young-fish net