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(=thiophenol)苯硫酚

发表于:2018-11-29 / 阅读(269) / 评论(0) 分类 迪斯尼儿歌第二集

Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! 汪培珽分级书单(MP3+绘本) TOP50初级英文绘本

发表于:2018-12-06 / 阅读(53) / 评论(0) 分类 粉红猪小妹第二季

PEOPLE IN AMERICA -April 7, 2002: in-in-the-Face By Paul Thompson VOICE ONE: Now, the VOA Special English program, PEOPLE IN AMERICA. I’m Steve Ember. In the early days of the last century, an Ameri

发表于:2018-12-15 / 阅读(117) / 评论(0) 分类 People in America

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(108) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(91) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(54) / 评论(0) 分类 初学者听力文摘精选

This monument to Islamic heritage is getting a new lease on life. The Bou Inania Medersa or Koranic school was once an architectural jewel of the medieval city of Fes. But centuries of neglect have taken a toll. Restorers are cleaning layers of white

发表于:2018-12-30 / 阅读(135) / 评论(0) 分类 国家地理2007年

It is early evening and soon this amphitheater will be standing room only for the evening show. Bats, hundreds of thousands of Mexican Free-tailed bats, are hungry tornado that swirls out of New Mexico's Carlsbad Caverns each night in search of food.

发表于:2018-12-30 / 阅读(127) / 评论(0) 分类 国家地理2007年

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(51) / 评论(0) 分类 英语听力文摘 English Digest

You know,it's pure luck. Ever heard of a bullet-proof BlackBerry? The smartphone is usually used to make a phone call,check e-mail or do some social networking. But this BlackBerry Curve, literally stopped the bullet. I checked,there's no ad for that

发表于:2019-01-07 / 阅读(73) / 评论(0) 分类 万花筒2010年

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(十一)月

johnJacobjingleheimerSchmid t JohnJacobjingleheimerSchmidt, Thatsmyname,too! WheneverIgoout, Thepeoplealwaysshout, johnJacobjingleheimerSchmidt! Da,da,da,da 提示: 重复四次,主歌部分越来越小声,但 da 部分越来越大声

发表于:2019-01-10 / 阅读(133) / 评论(0) 分类 Wee Sing In The Car

Car accidents are the number one killer of teenagers in the United States. Government data show that every year over 4,000 teens lose their lives in collisions that are caused mostly by distracted drivng - a term that includes everything from having

发表于:2019-01-13 / 阅读(72) / 评论(0) 分类 VOA标准英语2010年(六)月

A: Can you tell me where it hurts? B: I am so glad they called you. It feels like something is really wrong with my stomach! A: Does it hurt when I push here? B: Its mostly on my right side. Right here! A: Have you been feeling this way for awhile? B

发表于:2019-01-15 / 阅读(110) / 评论(0) 分类 英语情景对话-健康

PEOPLE IN AMERICA -June 30, 2002: Lou Gehrig By Jeri Watson ANNCR: Now, the VOA Special English program, PEOPLE IN AMERICA. A North American Major League baseball record was established in Nineteen-Th

发表于:2019-01-25 / 阅读(139) / 评论(0) 分类 People in America

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(207) / 评论(0) 分类 英语新闻

夏日的阳光为何总是如此钟爱斯堪迪纳维亚的瑞典?虽然我的地理知道告诉我,瑞典并非我想象中般温暖宜人,但the charade的首张 专辑却将明媚的阳光散落在我的心坎。这样优秀的专辑常常是容易被人遗忘的,我想为自己的twee pop倾向找一个适当 的理由,然而我找到理由总是

发表于:2019-02-05 / 阅读(138) / 评论(0) 分类 音乐咖啡厅

Halloween Comes to AmericaAs European immigrants came to America, they brought their varied Halloween customs with them. Because of the rigid Protestant belief systems that characterized early New England, celebration of Halloween in colonial times w

发表于:2019-02-09 / 阅读(161) / 评论(0) 分类 英美文化

An astronomer used to walk out every night to gaze upon the stars.It happened one night that,as he was wandering in the outskirts of the city,with his whole thoughts rapt up in the skies,he fell into a well.On his holloaing and calling out,

发表于:2019-02-17 / 阅读(151) / 评论(0) 分类 趣味英语
学英语单词
19-iodocholesterol
acetylkynurenine
ad libs
afforestation drive
analogue translator
anglicized
anisortropy constant
Ankylostoma
antiknock component
arms forward
assemblage zone
balanced mixer
be up against the wall
Bevan, Aneurin
block I/O file
boron phenyl difluoride
brunettia albonotata
c.i. name
cainozoic era(cenozoic era)
cascaroside
circumventricular organs
conjunctus
copper phosphite
critical fluidization
crow tit
deracination
designated shares
drinamyl
electrostatic emanometer
event object
exeception report
false neurotransmitter
feminization of poverty
Feronia
file swapping
fishing snake
fleiss
fly-cut
Fraquinol
frost-resistant
fuckhead
get someone's Irish up
Gierke's respiratory bundle
H antibody
high frequency induction heating
house finch
johnsy
LAFR
left chest pain
line-of-sight distance
lustrant
make legal history
manufacture system
mesocele
method of similar trajectories
monogenic analytic function
natural language indexing systems
Neptune's revel
neus
noise-generator plasma tube
non-elliptical
nonpurple
noseprints
numerical atrophy
order Hemiptera
osmium hexafluoride
outstaring
palladium(ii) trifluoroacetate
parallel operation reactor
Parnassioideae
pedestal strap
pelagial
petroleum ester
pinpointed
pirrhick
pointing control of payload
pottery turning
propyl isorhodanide
re-opened
rehm-weller equation
runoff from snow
seosan (sosan)
silkworm pupa meal
single-spot weld
Smith predictor
sponge-ball cleaning device
sporadic migration
SSAA
standard line format
statutory scheme
sub-bottom seismic profiling system
supervisory theory
tarrases
the brain
trailor hauling device
transfer function matrix
transhipment problem
troyhosongia
upscale trip circuit
valve-out
visuoconstructional
wagon bridge