[电子] 光敏电阻瓷

World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron

发表于:2018-12-08 / 阅读(150) / 评论(0) 分类 VOA标准英语2015年(十二月)

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(131) / 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(176) / 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(138) / 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(124) / 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(146) / 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(173) / 评论(0) 分类 60秒科学

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(203) / 评论(0) 分类 VOA标准英语2008年(九月)

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(174) / 评论(0) 分类 英语杂谈

Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi

发表于:2019-01-13 / 阅读(137) / 评论(0) 分类 VOA标准英语2012年(一月)

Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so

发表于:2019-01-13 / 阅读(182) / 评论(0) 分类 VOA标准英语2010年(五)月

Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol

发表于:2019-01-19 / 阅读(209) / 评论(0) 分类 2015CRI中国国际广播电台

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:2019-01-20 / 阅读(101) / 评论(0) 分类 英语单词荟萃

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(174) / 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(127) / 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(158) / 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(134) / 评论(0) 分类 英语每日一词

爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w

发表于:2019-02-05 / 阅读(134) / 评论(0) 分类 好听的英文歌曲

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(177) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

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(133) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
Adansonia L.
ADRIS
Afagnangan
Amici prism
antiferroelectric ceramics
basic triangulation data
body checks
boiler code
bookdealer
building density
callionymus altipinnis
capital subscriptions
chordatas
Chrysomelidae
commutation switch
control gravimentric base
corrected sum of squares
corrective fertilizer recommenditions
country march
Damnacanthus major
desmethylmitiphyllin
destil
deubiquitinase
dugar
electric tablet machine
elevating gear (mechanism)
everlasting pea
fashion shares
fence sitter
fro-yo
fructuates
glottis spurias
Godegode
heating-up furnace
hemoglobulin
hume-rothery phase
hypermetamorphic
in reach
infratemporale
inside-the
Investment Casting Institute
jillette
Kiyosumi-yama
labor force population
law of investment securities
let-off motion
light buyer
light-emitting diode coupler
lithokelyphopaedium
louping
maceration water
malignified
measure of approximation
mignion
minimum input power of storage pump
mobile-privacy
nickels
novation of contract
nymphaea lotus dentate
obdurating
oilless bearing
one thing
Orta Nova
osneys
palaeozoologist
palpebral fissure height
pamidronates
passingreport
percentage of heat release
perleche
photographic recording oscillograph
potash anorthoclase
project analysis and control
pseudomotor
rambotans
relet
resin finishing
ridiculizing
Riforal
second and subsequent mortgage(s)
semicure
sintered-carbon steel
So-long
Sodoma Il
Spanish War
stratigraphists
Su-ao
synoptophore
the middle of the night
thiosemicarbazone
time charter party
transverse of tree
type 0 control system
underlying cause
urine retention
utricularias
voice navigation
while-you-wait photography
won't thank you for
World Food bank
xx gonadal dysgenesis