表面活性物质

[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(355) / 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(339) / 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(369) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

Today's topic is active voice versus passive voice. Here's Brian from Iowa: It drives me crazy when people write in passive voice. How can I teach people how to tell the difference between passive and active voice and stay away from passive voice? Th

发表于:2018-12-07 / 阅读(368) / 评论(0) 分类 英语语法 Grammar Girl

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(1119) / 评论(0) 分类 科技之光

by Mignon Fogarty Today's topic is active voice versus passive voice. The podcast edition of this article was sponsored by GoToMeeting. With this meeting service, you can hold your meetings over the Internet and give presentations, product demos and

发表于:2018-12-15 / 阅读(333) / 评论(0) 分类 英语语法 Grammar Girl

Muslim Brotherhood Ready for More Active Role in Jordan From VOA Learning English, this is IN THE NEWS in Special English. The Muslim Brotherhood is one of the largest Islamic groups in the Arab world. For years, the Brotherhood has been banned in a

发表于:2018-12-16 / 阅读(341) / 评论(0) 分类 2013年VOA慢速英语(六)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(397) / 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(283) / 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(473) / 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(361) / 评论(0) 分类 2014年VOA慢速英语(十一)月

LONDON, July 4 (Xinhua) -- Anders Fogh Rasmussen, Secretary General of the North Atlantic Treaty Organization (NATO) expressed his hope on Wednesday that NATO would seek a more active dialogue with China. We must expand the range of nations with whom

发表于:2019-01-30 / 阅读(378) / 评论(0) 分类 英语新闻

SEOUL, Nov. 8 (Xinhua) -- Samsung Electronics, the world's largest flat screen TV vendor, said Tuesday that it has suspended its plan to develop active shutter three-dimensional (3D) TVs with RealD, the U.S.-based 3D technology supplier. Samsung has

发表于:2019-01-30 / 阅读(400) / 评论(0) 分类 英语新闻

> 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(397) / 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(396) / 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(372) / 评论(0) 分类 科技之光

ENVIRONMENT REPORT - September 6, 2002: Geckos and Their Sticky Feet By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Geckos are small lizards that live in warm climates. These liza

发表于:2019-01-30 / 阅读(379) / 评论(0) 分类 健康与环境

今天我们要学的词是active duty。 Active duty, 现役的。星期一是美国阵亡将士纪念日。 My friend Jack is an active duty Army Captain who has deployed overseas three times, 我朋友杰克是现役陆军上尉,先后三次被派

发表于:2019-02-05 / 阅读(390) / 评论(0) 分类 英语每日一词

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(274) / 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(397) / 评论(0) 分类 万物简史
学英语单词
absistence
academic costume
actual age
adjustment table
ahead
arranged marriages
astropectinidae vappa
block furnace
bluebucks
canopy surface
catloaf
cell-free
Cokelore
column of hydrometallurgy and pyrometallurgy
continuum source
convalescence sera
Corner's tampon
crown tap
Dellwood
disconnecting fuse
discount cash flow
dispatchcase
DPO (delayed pulse oscillator)
epiglenea comes formosana
ethnoecologist
Ethomorphine
everill
executive development
feldt
Gallocyanine BD (or W,DH)
GGTI-286
heathenizations
heating device
high nitrogen fertilizer
high pressure boiler tube
high speed copier
Honinabi
house-roomth
index of patent specification
industry trend
inelegancy
internet resources meta-index
ion-sound shock-wave
jet starter
k.e
ketatosis obturans
kommas
Kuwait City
land preparation
Las Barrancas
lipid intermediate
Llanfair Talhaiarn
melampus cristatus
methylsystox
Morse Code light or Morse Code fog signal
mote spoon
mucofibrous
Muscatatuck National Wildlife Refuge
nasal stuffiness
non-investments
nonroasted
Norpac
optimization analysis
organic light-emitting diode
particle bombardment
pedlar's French
penthetria japonica
pewlike
phase-change lubrication
political resource
prairie doggings
project priority
protostrophes
pseudoprogressives
reactor dead time
reduced capacity trim
reed canary grass
Robert Anson Heinlein
Rukanga
Schizomussaenda
Scott-Wilson reagent
seasoned salt
sell sth up
Solar Polar Mission
standard freight scale
starchsplitting
superiours
take the gown
thermotaxic centre
Tholey
tide type
toothbrush moustache
torreblanca
town scape
Trogoniformes
U-GEN
unit area acoustic impedance
unkunning
unqualified right
Wesco pump
xylooligosaccharides
xylorcinol