[矿业] 酸可溶物

[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(87) / 评论(0) 分类 历年考研英语阅读理解

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(97) / 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(116) / 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(83) / 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(91) / 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(54) / 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(118) / 评论(0) 分类 自然探索

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(91) / 评论(0) 分类 医务英语

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(74) / 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(85) / 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(74) / 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(64) / 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(54) / 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(125) / 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(97) / 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(82) / 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(110) / 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(56) / 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(51) / 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(137) / 评论(0) 分类 万物简史
学英语单词
able-bodiedisms
aerosol infection
Albardao
and to spare
arctica islandica
Army of the Righteous
automated control system of dredging process
behavioral dynamics
bobbing target
Brooker
bulker roof hatch
cadmium materials/devices
callistemon
carrier blocking
centrexes
commutation rule
conglomerative
couple fertility
cystaphos
date of registration
diminishing balance method
disauthenticate
draw a bow at a venture
dust-removing mechanical rectifying equipment
early blossoming
eat a peck of salt with someone
effective length of antenna
efflux time
electromagnetic vibration generator
electronic arrangement
exothermic mixture
finite thickness plate
flexible bend
floralwhite
fuel-tax
gap-free
gas transfer
gunpowders
heart stand still
hold the view
house of intelligence
House of War
humidiometer
imperfect real right
inductance strain gage
inundation irrigation
jamin
kallidin-9
Kamienna
land-measurer
Limerick, Co.
lip synchronization
locus of an equation
maitreyas
market penetration price
microcontexts
minithoracotomy
mohavite octahedral borax
non-arts
noon-midnight meridian plane
nose poking
numerical codification
of the same kidney
opaque glass
phenaphthazine
photoresists
Pilot Mountain
polyepoxides
Prunus cerasus austera
psychophysicss
pure caustic soda
push-endoscopy
ramularia agerati
reactive power loss
reactor coolant inlet nozzle
religioses
residential neighbourhood
rustyback
salk vaccines
scenographer
schou oil
scroll disc
set up an action
sheer aft
slant-hole drilling rig
sought
studdings
subgrade cross-section
sulphiter
symmetrys
Synaptosoma
the snp
Tropidia angulosa
tuberculotherapist
up someone's alley
US Post Office
vertical transverse wave
voltage vector-diagram
Wazīrganj
Weethalle
when permitted
wholes