光敏继电器

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)

Bringing up a sensitive topic Can I talk to you for a minute? Can I ask you something? Do you mind if I ask you something? I need to talk to you for a minute. I have to tell you something. There's something I need to tell you. There's something I thi

发表于:2018-12-17 / 阅读(208) / 评论(0) 分类 跟我学英语入门篇

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(175) / 评论(0) 分类 英语听力文摘 English Digest

Smaller Fingers Mean More Sensitive Fingertips A study in the Journal of Neuroscience finds that people with smaller fingers have more sensitive fingertips, probably due to a higher concentration of touch receptors in a given area. Cynthia Graber rep

发表于:2019-01-02 / 阅读(200) / 评论(0) 分类 60秒科学

PRAGUE, March 14 (Xinhua) -- Usain Bolt had confirmed his participation in the men's 4x100 meters relay at the Ostrava Golden Spike meeting in Czech Republic scheduled on June 27, organizers said on Thursday. It will be the seventh time for the Jamai

发表于:2019-01-07 / 阅读(202) / 评论(0) 分类 英语新闻

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(204) / 评论(0) 分类 英语杂谈

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

今天我们要学的词是sensitive。 Sensitive, 是敏感的意思。A sensitive topic, 就是敏感的话题。 Employment experts warn job seekers not to give out sensitive personal information when applying for positions online, 就业问题专家

发表于:2019-01-25 / 阅读(169) / 评论(0) 分类 英语每日一词

LONDON, Aug. 11 (Xinhua) -- Jamaica set a new world record of 36.84 seconds to win the gold medal in the men's 4x100m relay Saturday at the London Olympic Games. Jamaica broke their old record of 37.04, which they set in 2011, to defend the title the

发表于:2019-02-07 / 阅读(208) / 评论(0) 分类 英语新闻

LONDON, June 19 (Xinhua) -- The Olympic Torch Relay is a great chance to show off the North West and celebrate the role that people, places and businesses from the region are playing in London 2012, Culture Secretary Jeremy Hunt said on Tuesday. Hunt

发表于:2019-02-07 / 阅读(182) / 评论(0) 分类 英语新闻

Chinese women's short-track relay team captures World Cup gold MONTREAL, Oct. 28 (Xinhua) -- China capped off the second ISU World Cup short-track meet of the season in strong fashion as the women's relay team won the 3,000-meter relay final Sunday,

发表于:2019-02-08 / 阅读(202) / 评论(0) 分类 英语新闻

Lesson 332 He's sensitive. 1.He's sensitive.他很敏感。 2.Don't be so sensitive.别那么爱过敏嘛。 3.You're too sensitive.你太敏感了。 4.It's sensitive question.这是个敏感的问题。 5.The instrument is sensitive.这仪器很灵敏

发表于:2019-02-12 / 阅读(217) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

A team representing Beijing, Zhejiang, Hubei and Guangdong claimed the men's 4100m relay race at the 13th National Games. Famous Chinese sprinter Zhang Peimeng announced his retirement after the race. The Olympic Center Stadium in Tianjin, nicknamed

发表于:2019-02-14 / 阅读(178) / 评论(0) 分类 2017CRI中国国际广播电台

XICHANG, Sichuan, July 12 (Xinhua) -- China blasted off a new data relay satellite Tianlian I-02 on Monday at the Xichang Satellite Launch Center in southwest Sichuan Province . The satellite was launched on a Long March-3C carrier rocket at 11:41 p.

发表于:2019-02-18 / 阅读(208) / 评论(0) 分类 英语新闻

SHANGHAI, Dec. 11 (Xinhua) -- Hosts China showed their power in teamwork on Sunday as they claimed both the men's and women's relay golds at the ISU World Cup Short Track speedskating Shanghai leg. South Korea continued their good form to win their t

发表于:2019-02-18 / 阅读(217) / 评论(0) 分类 英语新闻

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(163) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abutilons
ACCW
adhumulone
admissibility of evidence
Al Fallūjah
anatropia
anopelvic version
aspherical figure
audioepileptic
blade natural frequency under rotation
bowhead whale
Braun's anastomosis
bretesse
brush-shifting speed
cardiovascular response
circumferential chip
clockmaking
codrug
cold pressing hardener
coming-out
conjunction gate
Coyanosa Creek
cresol-formaldehyde resin
current-conducting plate
darkness falls
electrochemical descaling process
electron spectroscopy for chemical analysis
emfilermin
epithelial sheet transplantation
equalization characteristics of braking
event-specific
excambying
expected-value decision rule
fatal blow
ferrocolumbium tantalum
fibre saturation point
fluorescent electrolyte
fortresslike
fredonians
fuzzy upperbound
genus saniculas
geodatabases
glandulae gastricae
glucuronoglycans
government deposit
grinder house
Guadiana
Hazar-addar
hispanos
Hydraulic Presses
in memorium
incommunicating
India-rubber wire
inertia-mass
intermittent oiling
jarlshofs
karaya gum
koetter
Kylmälä
l/c latest shipping date
li long
literary agents
lumbosacral strain
M. J.
magnetization ampere-turns
maximum frequency deviation
mercurial gage
metallity
micro-drum wheel
miscolored
mizzen-sail
moment of impulse
monophadnus taiwanus
Naran Hiid
Nephelium longana
old fox
onion skin level
palstra
patient-care
power characteristic
pq
predeployment
remissibility
rendings
saddle trees
sales salary
Sankt Martin
simplex telegraph
splenia
state liability
stitching weft
TOC (total organic carbon)
trad-pub
trend of thought
trh (tsh-releasing hormone)
tv reel
unbleeped
unit-boundary
unlocking click spring
usnea pseudogatai
veneer knife
waynesville