四苯基菌绿素

SCIENCE IN THE NEWS - Reforms at NIH / Tobacco Smoke a Danger to Children / A New Way to Add Iron to the Diet By Cynthia Kirk and Jill Moss Broadcast: Tuesday, February 15, 2005 VOICE ONE: This is SCI

发表于:2018-12-07 / 阅读(157) / 评论(0) 分类 科技之光

This is the VOA Special English Development Report. World No Tobacco Day is celebrated each thirty-first of May. The observance is meant to bring attention to the growing use of tobacco and its deadly effects. The World Health Assembly established th

发表于:2018-12-07 / 阅读(142) / 评论(0) 分类 2010年VOA慢速英语(五)月

The Mysterious Honeybee Disappearance 神秘的蜂群消失事件 by Rebecca A. Fratzke Honeybees are used to help many crops flower and grow. Thus, they play an extremely important _(1)_ in agriculture. However, since 2006, beekeepers in the US have

发表于:2018-12-08 / 阅读(181) / 评论(0) 分类 常春藤解析英语

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(185) / 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(166) / 评论(0) 分类 Scientific American(三)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(203) / 评论(0) 分类 Scientific American(一)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(148) / 评论(0) 分类 初学者听力文摘精选

SCIENCE IN THE NEWS - International Treaty on Tobacco Control / Research Projects on Glaucoma By Broadcast: Tuesday, March 08, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special Englis

发表于:2019-01-02 / 阅读(184) / 评论(0) 分类 科技之光

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(183) / 评论(0) 分类 医务英语

By Mike O'Sullivan Los Angeles 27 March 2006 A museum in Los Angeles is bringing to life the people who lived in northern Europe thousands of years ago. Well-preserved bodies and artifacts from fog-sh

发表于:2019-01-07 / 阅读(214) / 评论(0) 分类 2006年VOA标准英语(三月)

Oh, no! Denzel thought. Whered THAT come from? He was looking at a big red dry stain that was on the carport where he always parked his car. There was only one thing to do: check his power steering fluid and his transmission fluid, both of which were

发表于:2019-01-07 / 阅读(155) / 评论(0) 分类 365个英语简短小故事

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(186) / 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(198) / 评论(0) 分类 Scientific American(十一)月

Welcome to THIS IS AMERICA in VOA Special English. Im Doug Johnson. VOICE TWO: And Im Barbara Klein. This week on our program, we take you to the summer movies. This year's crop includes vampires, talking toys, an Iron Man and, of course, love. (MUSI

发表于:2019-01-11 / 阅读(185) / 评论(0) 分类 2010年VOA慢速英语(六)月

RACHEL MARTIN, HOST: And now some words you don't often hear together - all-girl, teenage, Indonesian metal band. NPR's Ashley Westerman has this profile. ASHLEY WESTERMAN, BYLINE: The band's called Voice of Baceprot. Baceprot means noisy in the girl

发表于:2019-01-16 / 阅读(180) / 评论(0) 分类 2017年NPR美国国家公共电台8月

The One With All The Thanksgivings 本集简介: After Thanksgiving dinner at Monica's, the gang tells stories about their worst Thanksgivings ever. In a series of flashbacks, we see Chandler learning of his parent's divorce (1978); Phoebe losing an

发表于:2019-02-04 / 阅读(174) / 评论(0) 分类 老友记(六人行)

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(329) / 评论(0) 分类 英语新闻

RIO DE JANEIRO, March 23 (Xinhua) -- Brazil soccer legend Romario declared on Friday that he has no intention of running for the president of the Brazilian Confederation of Soccer (CBF). However, the now congressman endorsed Ronaldo to command the fu

发表于:2019-02-07 / 阅读(188) / 评论(0) 分类 英语新闻

RIO DE JANEIRO, Dec. 7 (Xinhua) -- The son of former Brazil great Romario has signed his first professional contract with Brazilian third-tier side Brasiliense. Romarinho, 19, joined the Brasilia-based outfit on Thursday, less than 24 hours after qui

发表于:2019-02-08 / 阅读(198) / 评论(0) 分类 英语新闻

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(211) / 评论(0) 分类 万物简史
学英语单词
acidic transcription activator
adeptly
altitude of a triangle
Antitussonum
apple-pectin
area-velocity method
armoured piercing high explosive
back patching
batch subsystem
beeveedee's
bend before sb
Black Vernacular
blue channel
buckling criteria
business-system analyst
Cadbury Castle
cerclages
channeling in column
cmara
cobrug
Collingham
compare to
connor-smith
Coolock
cushion coat
discute
double stitching
essaouira (mogador)
fence rail
flinging
frugivorous animal
General Medical Council
go around in circles
go to Denmark
graminose
Herminium ecalcaratum
hydrogenize
If command
important-looking
intakings
interpretationally
invariant attraction set
K, k
Kordanize
ku-klux-klan
leglen
leprological therapeutics
lever transformation
light-bringer
lophotricate
magnocellular part
man flu
manganese binoxide
match entire cell
matrix-like
megalocardia
melodic minor scales
methenamine anhydromethylenecitrate
microserica bisignata
mortifying
moving iron type
multiple region reactor
non-Newtonian character
nonsinging
old maidish
ominate
oscillator loading
overgraining
paragoning
pastoral (france)
path of percolation
pays-for-play
pentapedal
Pocatello
pondweed families
predetermined rate
quantitative image analysis
race a bill through the house
rayleigh parameter
relative humidity table
robot navigator
Rydberg transition
Saint George's
scientific instrument
scintillator tank
screw root
Shigella soonei
sliding filament model
spurious interpretation
stroke extraction
submarine
swsisnsds-s
thickness change
tidehead
timber-hitch
time contour
torsional distribution graph
total shipping profit
unsociabilities
ureteropyelogram
Venus's-girdle
viscofrud