un. 合成物质
词型变化:名词复数形式 : synthetic substances

[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(160) / 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(177) / 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(174) / 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(138) / 评论(0) 分类 科技之光

Illicitly used Synthetic drugs are chemically produced psychoactive substances that mimic the effects of illegal narcotics, which have been altered just enough to avoid classification as illegal. And this is one reason why these chemicals are dangero

发表于:2018-12-08 / 阅读(221) / 评论(0) 分类 VOA标准英语2017年(三月)

[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(168) / 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(114) / 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(194) / 评论(0) 分类 自然探索

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(134) / 评论(0) 分类 2014年VOA慢速英语(十一)月

AUDIE CORNISH, HOST: Scientists have taken a big step towards making synthetic life. In other words, they figured out how to create a living thing with DNA that was written in a lab. NPR health correspondent Rob Stein has the details. ROB STEIN, BYLI

发表于:2019-01-16 / 阅读(158) / 评论(0) 分类 2017年NPR美国国家公共电台3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(133) / 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(119) / 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(180) / 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(169) / 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(137) / 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(173) / 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(119) / 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(107) / 评论(0) 分类 英语趣味课堂

SYDNEY, Aug. 5 (Xinhua) -- The Western Australian Government announced on Friday that 14 new substances linked to the manufacture of the synthetic drug Kronic would be banned from Friday midnight. The State Mental Health Minister Helen Morton told th

发表于:2019-02-19 / 阅读(142) / 评论(0) 分类 英语新闻

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(189) / 评论(0) 分类 万物简史
学英语单词
air-floated powder
annular catwalk
anthistiria fibre
arched beam
archosauromorph
audit environment
Berkshire Hathaway
bitterweeds
Bocq
Bongouanou, Collines de
bose gas statistics
Brudzew
Brunton's otoscope
chicken-frying
chidren
cock blocka
compensatory finance
cumulative intoxication
deflection waveform
dipping and heaving
disease and insect control
distributist
doctorates
double - deck bus
enclosed instrument
engine fire extinguisher bottle
enterectomies
entmacher
etymemazine
exhaust heat recovery cycle
fitten
flat-weave
fluviogenic soil
freida
fucktastic
Fuente Obejuna
general government account
handbells
hot-extraction gas analysis
hydrophilic property
Ikawhenua Ra.
impurified
in-character
induced pan
information overload testing apparatus
interlocking consolidation
intertribal
investment research
irresistible force
irreversibility curve
Japanese eel
lawsonia
Lion Herald
LVMF
magnesium-alumium garnet
magneto ohmmeter
Magnolia virginiana
man sticks
markedly
mastoid suction tube
memorial rose
meridional syzygy tide
mhls
Miloševo
MTPJ
multi-carrier modulation
Naples Park
no charge
nungs
O-Nitrophenyl-Beta-O-Galactopyranoside
ofgreet
oligostenohaline species
overall plate efficiency
paradoxures
phosphoryldimethylethanolamine
platform steps locking mechanism
port stroke
protozoological
quit cold
rear brake extension lever
republics of indonesia
revenant
revibration
semiconductor heterostructure junction
Sino-Tibetan language
suitmakers
Sulfadurazine
tattoo machine
terminal handling charge
terminaline
test-score
the Psalms
tremoille
Trichuriella
undershut
unfringed
valenvy electron
vinciguerria nimbaria
vise-grip
volar arches
yharmed