[药] 过氧化丁二酰

CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs

发表于:2018-12-01 / 阅读(566) / 评论(0) 分类 上海牛津初中英语九年级

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(207) / 评论(0) 分类 听一分钟英文-O

Science and technology: Air-pollution: Breathtaking 科学与技术:空气污染:屏气吞声 Air-quality indices make pollution seem less bad than it is. 空气质量指数粉饰了空气污染情况。 Smoking a whole packet of cigarettes in a

发表于:2018-12-05 / 阅读(167) / 评论(0) 分类 经济学人科技系列

By Richard Thorman 25 Sep 2004, 20:22 UTC Broadcast: September 26, 2004 (THEME) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the VOA Special English program, PEOPLE IN AMERICA. Today we tell about the life of Nineteenth Centur

发表于:2018-12-07 / 阅读(143) / 评论(0) 分类 名人轶事

You've probably heard of peanut or shellfish allergies,but a meat allergy,not as common. Even weird * will might be causing it, tick bites.According to a study in the journal of General Internal Medicine. A few years back, folks started showing up in

发表于:2018-12-24 / 阅读(173) / 评论(0) 分类 Scientific American(七)月

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(264) / 评论(0) 分类 英语课程学习计划和讲义

Global Warming and Ozone 全球变暖和臭氧 Could the coming century bring a new threat to the ozone layer? Discover one scientist's model of the effect of global warming and greenhouse gases on ozone -- on today's Earth and Sky. DB: This is Earth and S

发表于:2019-01-02 / 阅读(291) / 评论(0) 分类 (科普英语)Earth and Sky

ENVIRONMENT REPORT - November 1, 2002: Shrinking Ozone Hole over Antarctica By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Australian researchers say the hole in the ozone layer o

发表于:2019-01-02 / 阅读(147) / 评论(0) 分类 健康与环境

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(210) / 评论(0) 分类 2018年VOA慢速英语(五)月

美语中,一些感叹词的意义跟字典上的解释不尽相同,要在日常生活中才能体会到。让我们看看以下几个例子: Oh的字典意义是嗬;哦;哎呀,表示惊讶、的恐惧等。但将这个词连起来用,却

发表于:2019-01-09 / 阅读(194) / 评论(0) 分类 实用英语

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(216) / 评论(0) 分类 VOA2003(下)-环境与健康

AS IT IS 2015-05-05 From Taxi Driver to Famous Fishing Fly Maker 从出租车司机到著名的飞蝇钓制造商 Elpheus Ndlovu has come a long way from his village in the South African province of Mpumalanga. He once worked as a taxi driver. Now, h

发表于:2019-01-12 / 阅读(173) / 评论(0) 分类 2015年VOA慢速英语(五)月

Air pollution 空气污染 A: I've heard of ground-level ozone but can you explain what it is exactly? A:我听说近地面臭氧,但是你能确切解释一下是什么吗? B:Yes, it's one of the main air pollutants. Factories don't emit it dire

发表于:2019-01-14 / 阅读(169) / 评论(0) 分类 职业技术英语口语

Arethusa was once a fairy maiden huntress.She carried bow and arrows for Artemis in her hunting.She was so devoted to her work that she cared for neither admiration nor love.One sunny summer day,she felt hot and found a cool stream quite attr

发表于:2019-01-16 / 阅读(344) / 评论(0) 分类 阅读空间

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(212) / 评论(0) 分类 纯正英语一分钟

HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: Scientists studying climate change in Antarctica reported this week that the hole in the protected ozone layer of the earth's atmosphere has shrunk. The discovery of the hole in the mid-1980s led to a wo

发表于:2019-01-27 / 阅读(168) / 评论(0) 分类 PBS访谈环境系列

25 大气层中臭氧正日渐稀薄 DATE=3-21-01 TITLE=SCIENCE REPORT - (1)Springtime Ozone Loss BYLINE=George Grow (Start at 1'00

发表于:2019-01-30 / 阅读(407) / 评论(0) 分类 科技之光

HEALTH REPORT – Study Links Ozone Pollution to Increased Deaths By Cynthia Kirk Broadcast: Wednesday, December 08, 2004 I'm Gwen Outen with the VOA Special English Health Report. American researcher

发表于:2019-01-30 / 阅读(194) / 评论(0) 分类 健康与经济

高温天气下树木竟然会污染环境! Normally, trees are the best defence against pollution; but when it's too hot outside, the trees' own self-defence mechanism may actually make things worse。 正常情况下,树木是抵御污染

发表于:2019-02-01 / 阅读(270) / 评论(0) 分类 阅读空间

Nearly 90 percent of China's big cities failed to meet air quality standards in 2014, but that was still an improvement on 2013 as the country's war on pollution began to take effect, the environment ministry said on Monday. 环保部周一表示,2

发表于:2019-02-04 / 阅读(164) / 评论(0) 分类 阅读空间
学英语单词
abatement of freehold
acid calcium phosphate
adenia
admissible deviation
air drome
air resource management
allocation of parameter
appetito
armature chatter
astacio
baseball-types
bulbar center
bulk information storage
caeciliidaes
cast-resin type transformer
centre-height gauge
cetylid
chain-guard
chat-room
chief procurator of supreme people's procuratorate
comportioner
covered conduit
coxi
Cryptobranchidae
cunnus
darbie
deeny
degydrase
disturbance input
dual-purpose pump
elsag
fair division
fast-acting fuse
fragiform
geodetic control point
hard clams
imposex
in percentage terms
integral train
intermediate water layer
Irish moss
jerrygibbsites
kormanns
light delivery truck
long - term memory
low-growth
machine binding
macia
maillols
main earthing terminal
mean conjugate curve
melanerpes erythrocephaluss
mind one's business
modernization of law
modulating coefficient
monoepoxide
morality
Māhīm R.
neeze-wort
neography
nonjunctional
normalized constraint
olive-drab
phosphology
phosphorous anhydride
phyllosticta peucedani
Physalis viscosa
plaster rooms
plateau threshold voltage
plesiobatis daviesi
random waves
republicanizing
revertings
richweeds
S.A.C.
scratch pad area
sectional width
Seidel-Glaser eikonal
separationists
series compensation device
severe degree burn
shakerism
sideborrow work
solar energy photovoltaics
soldier's heart
spill index
sulphur alcohol
t.s
tables of equipment
temper tinting
Thach Thành
that's good
tidal bore
to smell them
toothdrawer
Toshi-jima
trackworkers
tuller
ultrastrong
unperused
urengoi
verb semantics