中央胶状质

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.69]1997 Passage3 [00:07.32]Technically, any substance other than food [00:10.48]that alters our bodily or mental functioning is a drug. [00:15.31]Many people mistakenly believe the term dru

发表于:2018-12-01 / 阅读(175) / 评论(0) 分类 历年考研英语阅读理解

Chocolate's Story Older Than Once Thought Humans may have been enjoying cacao, the substance used to make chocolate, for much longer than experts had thought. Researchers at the University of British Columbia in Canada have found that humans grew cac

发表于:2018-12-02 / 阅读(260) / 评论(0) 分类 2018年VOA慢速英语(十一)月

Dana joins us now live from Washington. So, Dana, you know, what is your take here? Is this typical political theater of someone's who's not going to be re-elected? Or is it a true sign of growing rage over the fact that we're spending money that we

发表于:2018-12-02 / 阅读(186) / 评论(0) 分类 CNN2010年(三)月

[0:0]strip structure studio脱光衣服,剥去 结构,构造 画室,摄影棚 [0:31.9039]stuff style submerge submit原料,材料 风格,文体,样式 潜入水中,淹没 屈服,听从 [1:16.6271]subsequent substance substantial substitute随后的,后来的 物质,实质,要旨 可观

发表于:2018-12-05 / 阅读(181) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the

发表于:2018-12-07 / 阅读(146) / 评论(0) 分类 科技之光

[00:06.48]Lack of Vitamin A is the leading cause of blindness among children in deveoping countries. [00:14.55]These children do not get enough Vitamin A in the food they eat. [00:21.11]In Africa,more than 3,000,000 children suffer from blindness or

发表于:2018-12-26 / 阅读(183) / 评论(0) 分类 美国英语听力80篇

SCIENCE IN THE NEWS - Food for Thought: How Vitamins (Once Spelled 'Vitamines') Are Important to HealthBy Nancy Steinbach Broadcast: Mon, 19 Jun 2006 16:00:00 UTC (MUSIC) VOICE ONE: This is SCIENCE IN

发表于:2019-01-02 / 阅读(121) / 评论(0) 分类 2006年慢速英语(六)月

61 不为人们重视的光污染 ENVIRONMENT REPORT - August 31, 2001: Light PollutionBy Mario Ritter (Start at 1'01

发表于:2019-01-02 / 阅读(201) / 评论(0) 分类 自然探索

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. VOICE TWO: And Im Shirley Griffith. This week, we tell about vitamins. (MUSIC) VOICE ONE: Rey Salazar and his daughter, Aketzalli, 4, plant lettuce seeds at the Nutritio

发表于:2019-01-11 / 阅读(140) / 评论(0) 分类 VOA慢速英语2008年(一)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. BOB DOUGHTY: And I'm Bob Doughty. The work and theories of Sigmund Freud continue to influence many areas of modern culture. FAITH LAPIDUS: Today, we explore Freud'

发表于:2019-01-12 / 阅读(142) / 评论(0) 分类 2010年VOA慢速英语(四)月

What's the Matter? Now, the VOA Learning English program, Words and Their Stories. The English language has a number of hard-working words. People use these words in many different ways and in many different expressions. One such example is the word

发表于:2019-01-12 / 阅读(147) / 评论(0) 分类 2014年VOA慢速英语(十一)月

We have a large demand for the supply of 50,000 meters brown serge, whose sample is enclosed to show you the shade and quality we require. Please send your samples corresponding to our samples with the most reasonable price C.I.F. Singapore if you ca

发表于:2019-01-21 / 阅读(136) / 评论(0) 分类 天天商务口语

7 Elemental Matters 7 基本物质 Chemistry as an earnest and respectable science is often said to date from 1661, when Robert Boyle of Oxford published The Sceptical Chymistthe first work to distinguish between chemists and alchemistsbut it was a s

发表于:2019-01-29 / 阅读(128) / 评论(0) 分类 万物简史

> 79 如何提取骆驼奶制作乳酪 DATE=8-7-01 TITLE=AGRICULTURE REPORT - Cheese from Camels BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(188) / 评论(0) 分类 科技之光

81 一年轻妇女死于药品试验 DATE=8-11-01 TITLE=IN THE NEWS #493 - Testing of Drugs BYLINE=Nancy Steinbach (Start at 1'05

发表于:2019-01-30 / 阅读(176) / 评论(0) 分类 科技之光

21 只有部分椰菜可以预防癌症 DATE=3-15-01 TITLE=SCIENCE REPORT - New Broccoli Study BYLINE=George Grow (Start at 58

发表于:2019-01-30 / 阅读(156) / 评论(0) 分类 科技之光

KINGSTON, Nov. 17 (Xinhua) -- Jamaican sprinter Steve Mullings might be banned for life from athletics after found guilty of using the banned substance furosemide Thursday by a three-man disciplinary panel. Mullings' urine sample was found positive o

发表于:2019-02-08 / 阅读(178) / 评论(0) 分类 英语新闻

This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. And Im Faith Lapidus. This week, we tell about vitamins. Many jobs must be done with two people. One person takes the lead. The other helps. It is this cooperation that brings succe

发表于:2019-02-16 / 阅读(127) / 评论(0) 分类 英语语言学习

It was interesting as well while we were out on the farm, there were thousands of trees I think out on the farm, so we saw lots of different insects and little animals as well. The most exciting thing I saw was a red back spider, because the red back

发表于:2019-02-16 / 阅读(111) / 评论(0) 分类 英语趣味课堂

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(197) / 评论(0) 分类 万物简史
学英语单词
a-swash
ADDW
Adelzhausen
amount undercollected
amplifier T cell
anti-toxins
Araguaya
arm of the flesh
Arnold-sterilizer
AutoRecover
beach placers
belfast finishing
biostitutes
books of account
busbar frame
class reunion
Cliftonville
collimator finder
container central fan system
converging diverging cones injector
copolymers
Crimean Gothic
current
cynoguanidine
deferred assets accounts
deintellectualized
delafosses
double-agent
ed-up
elevator receipt
evening gowns
event driven processes
excessive rain
fadest
fine-grained architecture
grassily
grosso modo
hacker heaven
Hailey-Hailey disease
Hamiltonian path
impure spectrum
incompressible pulse
insignifcant
insulated substrate monolithic circuit
intangible drilling cost
interval solution
isoseismic
Keokuk County
lactose intolerance
Lament.
least strain axis
lipoxeny
liquidating value
locality factors
lycopodium phlegmaria l.
magnetocentrifugal
medium car
mill-coated pipe
nkomatis
off-off-off-Broadway
Osmanthus caudatifolius
oxcephalia
Oxford English
people-movers
pestalotia querci-dentae sawada
photodrome
plurative
postrelease
powered
prepresses
presbyterships
provision for expenses
radical initiator
Red Flags Rule
relative minimum point
Renuka
sad-sack
safety island
Schultze's placenta
sedamine
skiey
slot quadrant
smoulder
solid state laser
spalted
spruntly
stereodisparator
Storån
sulfaslmidine
tads
testify to sth
therry
topographic discordance
variable ballast tank
vasifaction
vertex of switch
vomitive
water dumping
waxy petroleum distillate
win the prize
Winning cell
wolfram steels