高含水油层

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(520) / 评论(0) 分类 上海牛津初中英语九年级

Wednesday's air quality index in Atlanta, Georgia, miles away from any of the fires, was unhealthy. In Chattanooga, Tennessee, it was 151. What exactly does that mean? SUBTITLE: What is the AQI? JENNIFER GRAY, CNN METEOROLOGIST: The one thing you nee

发表于:2018-12-02 / 阅读(219) / 评论(0) 分类 CNN美国有线新闻2017年1月

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(178) / 评论(0) 分类 Scientific American(十二)月

As the balloons rise higer still,they face an attact by an invisible bombardment,radiation.Every day the Sun radiates a titanic amount of energy,some of them in the form of high energy of ultra violet rays.These rays packed a powerful punch ,and in t

发表于:2018-12-03 / 阅读(136) / 评论(0) 分类 探索与发现2014年

EXPLORATIONS - Blue Holes: Some of the Least Explored Areas on Earth BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands s

发表于:2018-12-07 / 阅读(149) / 评论(0) 分类 2011年VOA慢速英语(十一)月

Lesson 91 Milk And Its Uses 第91课 牛奶及用途 Every child likes to drink new milk. 每个孩子都喜欢喝鲜牛奶。 How pleasant it smells and how sweet it tastes! 那香浓的味道, 甜美的滋味是多么诱人! Do you not want to kn

发表于:2018-12-18 / 阅读(96) / 评论(0) 分类 英国学生科学读本

联合国环境规划署将每年的6月5日确定为世界环境日,希望通过世界环境日主题让人类认识到可持续发展和公平发展的重要性,最终使全人类拥有一个安全而繁荣的未来。 2006年世界环境日庆典

发表于:2018-12-18 / 阅读(129) / 评论(0) 分类 英文语法词汇

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Take a fire antdon't forget your gloves. Toss it in water, and it'll eventually drown. But throw a group of fire ants into the water, come back the nex

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 Scientific American(四)月

If you've been outside before a rainfall in the spring, you might have noticed a particularly fresh or sweet smell that seeps into the air a few minutes before the first drops begin to fall. If you're familiar with this smell, it's a great way to pre

发表于:2018-12-27 / 阅读(117) / 评论(0) 分类 英语时差8,16

You could use the balloons not just to go to the edge of the space as we do now,but go all the way over the line, and actually to use balloons or airships to go all the way into space,space travel without rocket.Officially, the atmosphere ends and sp

发表于:2018-12-27 / 阅读(94) / 评论(0) 分类 探索与发现2014年

To be living at the start of the new millenium is to exist in the most advanced technological era in history. It is easy2 to forget that we are still surrounded by countless opportunities to get close to the earth, the sea and all the otherwonders of

发表于:2018-12-30 / 阅读(160) / 评论(0) 分类 202 Useful Exercises for IELTS

Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the

发表于:2019-01-02 / 阅读(219) / 评论(0) 分类 60秒科学

By Parke Brewer Washington 30 January 2007 There are 32 teams in the National Football League and only two reach the coveted Super Bowl championship game each season. This Sunday it is the Chicago Bears and the Indianapolis Colts, playing in Miami, F

发表于:2019-01-09 / 阅读(163) / 评论(0) 分类 2007年VOA标准英语(一月)

BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands surface. These cave systems form in carbonate rock, often on islands.

发表于:2019-01-12 / 阅读(164) / 评论(0) 分类 2010年VOA慢速英语(十一)月

Science Fiction-style replications, as seen in TV shows like Star Trek, might be a step nearer to becoming reality. Digital technology means it's now possible to make 3D objects from downloaded designs. Our reporter Li Dong has the details. These fun

发表于:2019-01-19 / 阅读(148) / 评论(0) 分类 世界各地新闻集锦

To be honest, we are totally in awe of people whose job is to face these in real life. But the grenade made into this A-to-Z is the Rocket Propelled Grenade, or RPG, because that is what gave us one of the best booms in Mythbusters history. Alright,

发表于:2019-01-23 / 阅读(130) / 评论(0) 分类 探索与发现2013年

Everyone who has eaten instant noodles before knows how it looks like. It is very easy to cook it instantly by putting the noodles into the boiling water and add in those MSG packets, together with your other ingredients like eggs or vegetables. Howe

发表于:2019-02-05 / 阅读(166) / 评论(0) 分类 阅读空间

U.S. National Research Council calls for more exploration Rosanne Skirble | Washington, DC 08 April 2010 Photo: Smithsonian National Museum of Natural History Rick Potts has led excavations at early human sites in the East African Rift Valley, and cu

发表于:2019-02-12 / 阅读(141) / 评论(0) 分类 VOA标准英语2010年(四)月

GIRL:Wow.You seriously spend a lot of time alone. BOY:What?So heres how it works.Water goes in the top,and food comes out the bottom. GIRL:When you shot it into the stratosphere( ['strtə,sfɪə]同温层) you figure it would induce( [ɪn'djuː

发表于:2019-02-23 / 阅读(111) / 评论(0) 分类 跟着美剧练发音

Heres How..In a lake, cold water sinks to the bottom, forming a distinct layer underneath the warmer water on top. Wind blows across the top layer. This causes more of that warm layer to build up on one end of the lake, pushing the cold layer underne

发表于:2019-03-06 / 阅读(191) / 评论(0) 分类 英语时差8,16
学英语单词
accounting profit
adult teeth
adventure travel
Albert Town
amphoric note
applicaton for registration
Arctostaphylos Adans
Ashrafis
Ban Nong Ket
bank selling rate
bare maximum
baseball pitchers' elbow
Bcl-2
beat yourself up
Beth-anath
Bokolongo
bugandas
carbonarius
Cardioassist-Method
Carmen, I.del
centre portion
Charnoid direction
citte
civil property relations
claspings
clearing heat and promoting diuresis
cone of pressure relief
Crawfurdia pricei
custe
delaminated
desolations
driving in fog
edible oil cargo
electrically network analyzer
elevated rail
elloes
equilibrium pressure
Erlang unit
espressivo
extreme relativistic limit
fareyouwell
feed-voltage modulation
floating leaf
format classification
gnaw away at sth
granam
hard boiled bonbons
hypothesis
innies
insect host
inside pitch line length
inundated plain
invigoratingly
iso-amylamine
jellies
juncate
lacustrine clay
lata culpa
massachusetts institute of technology opencourseware
mekdad
meridianus
mimimums
Missouri goldenrod
multiple-exclusive spot beam
muroid rodents
non beneficiary
nonpunitively
nuclear component
orogenic geothermal belt
outgoing frame
override system
parnasse
pelvic pneumography
pericardiopunctura epigastrica
philbertia retallaria
phylosophical
pityriasis versicolor alba
prime knot
prohibitive import duty
pylorodiosis
radio recognition equipment
range of capacity
re-develop
reched
rossouw
scapulovertebral
seam detector
sliced meat
spiral flower
ST_beliefs-and-opinions_trusting-and-not-trusting
steel chair
stupor
subjective audiometry
timmia norvegica zet
tinkalcit (tincalcite)
total ionization by a particle
trophic function
vibrating controller
wastewater blending
wire-rope
work requisition
Yohophyllum