高温可重复使用的表面绝缘材料

Researchers have made some interesting discoveries near Antarctica. A team of scientists from the British Antarctic Survey and University of Hamburg have published the first comprehensive inventory of sea-and-land animals, near the tip of the Antarct

发表于:2018-12-03 / 阅读(164) / 评论(0) 分类 自然百科2008年

Weekly Address: President Obama Lauds Clean Energy Projects as Key to Creating 每周电视讲话:奥巴马总统称赞清洁能源计划为创新的关键 WASHINGTON In this weeks address, President Obama announced that due to clean energy incentive

发表于:2018-12-05 / 阅读(111) / 评论(0) 分类 奥巴马每周电视讲话

[00:00.80]When the atmospheric concertrations [00:03.16]of these gases increase, however, [00:05.84]more heat is trapped and the Earth's [00:07.92]temperature rises. [00:10.37]Over the last 100 years, [00:13.01]the global average temperature [00:15.1

发表于:2018-12-13 / 阅读(172) / 评论(0) 分类 北师大版高中英语模块8(选修)

Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design

发表于:2018-12-16 / 阅读(140) / 评论(0) 分类 2011年VOA慢速英语(四)月

Our atmosphere is in constant motion; the moving air that causes our weather circulates between the ground and 50,000 feet. It is the sun that drives this movement. When solar energy reaches earth, it heats the surface and atmosphere, but it does so

发表于:2018-12-27 / 阅读(119) / 评论(0) 分类 探索与发现2014年

Broadcast: Jan 21, 2003 By Gary Garriott Drying food is a simple, low-cost way to keep food safe for eating. Drying removes water that small organisms use to break down food into other substances. Som

发表于:2019-01-02 / 阅读(174) / 评论(0) 分类 VOA2003(上)-社会广角

DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o

发表于:2019-01-02 / 阅读(239) / 评论(0) 分类 农业与发展

-Im Chris Kaufman and I here with Justin Kasper, who works at Smithsonian, hes an astrophysicist at the Smithsonian. And he's won a project thats gonna launch a probe at the sun, specifically the Solar Wind Electrons Alphas and Protons investigation,

发表于:2019-01-07 / 阅读(161) / 评论(0) 分类 万花筒2013年

Lesson 58: [00:03.40]Stop Pollution!In North America, [00:08.96]many students help their schools make less pollution. [00:14.73]They join environment clubs. [00:18.99]In a club,people do things together. [00:24.03]In an environment club,people work t

发表于:2019-01-09 / 阅读(242) / 评论(0) 分类 河北加拿大版初中英语

This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The

发表于:2019-01-11 / 阅读(165) / 评论(0) 分类 VOA慢速英语2009年(四)月

As Hong Kong struggles to build an environmentally friendly city, one professor is studying ways to help cut carbon emissions and lower electricity usage by covering the city's rooftops with plants. Jim Chi Yung, a geography professor at the Universi

发表于:2019-01-13 / 阅读(168) / 评论(0) 分类 VOA标准英语2010年(八)月

When summer hits, I dread jogging outside. But a study finds that elephants can be in true danger in the heat. As creatures get bigger, they have smaller surface area to body volumn ratios. Fully-grown Asian eleplants thus pack a lot of mass into a b

发表于:2019-01-20 / 阅读(147) / 评论(0) 分类 Scientific American(五)月

Cars And Lightning You may have heard that your car is a safe place to be in a thunder storm, and this is true. You might not know the reason for this, however.Well learn exactly what would happen if lightning struck your car. At first you might thin

发表于:2019-01-22 / 阅读(120) / 评论(0) 分类 英语时差8,16

JUDY WOODRUFF: Now: sharks. Just saying the word can send shivers down the spines of some, but as Hari Sreenivasan found in this report, studying their skin could be key to fighting diease and is on the cutting edge of the larger push announced at th

发表于:2019-01-27 / 阅读(167) / 评论(0) 分类 PBS访谈健康系列

AGRICULTURE REPORT - Solar Food Dryers By Gary Garriott Broadcast: Tuesday, March 01, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Drying food is a simple, low-cost way to keep

发表于:2019-01-30 / 阅读(132) / 评论(0) 分类 农业与发展

WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n

发表于:2019-02-04 / 阅读(125) / 评论(0) 分类 英语新闻

WASHINGTON, June 23 (Xinhua) -- Last month was the hottest May since record keeping began in 1880, the U.S. National Oceanic and Atmospheric Administration (NOAA) said Monday. 图片1 The combined average temperature over global land and ocean surfac

发表于:2019-02-06 / 阅读(172) / 评论(0) 分类 英语新闻

如今,高端大气上档次已经成为众人耳熟能详的网络用语,凭借其无与伦比的受欢迎度,高端大气上档次一度位居十大网络用语的榜首。这句让无数互联网迷们捶足顿胸的潮流时尚用语,到底

发表于:2019-02-08 / 阅读(159) / 评论(0) 分类 英语口语

The environment of the city is getting worse and worse today. There are wastes, air pollution and so on. What can we do to save our city? About the wastes, we should sort the wastes, to see if they can be recycle used; use the reusable shopping bag i

发表于:2019-02-18 / 阅读(134) / 评论(0) 分类 英语作文

Maybe. A change in barometric readings may be part of the reason: Atmospheric pressure often drops right before bad weather sets in; this shift could cause body tissue to expand, which can lead to swelling and pain. 也许吧,气压变化有可能是

发表于:2019-03-06 / 阅读(256) / 评论(0) 分类 英语听力广播—Listening
学英语单词
air traffic control (atc)
aribine
automatic cluster remover
axial elements
baffle mixer
barbed fence
Beat.
board on board
boffos
by comparision
capital of Latvia
cellular striation
Cherasco
chimney ventilation
chromophil cell
combustor outer casing
copygirls
csk
data buoy system
deformation method
dentilinimentum
development personnel
diffusion coupler
digital fire control computer
dismountable dredger
Diégo-Suarez
dooth
elaterid beetle
epochal
epulentic
equalized sidelobe antenna
external trade shipment
Fada, Druim
figure ground
filing coats
firing expansion
Gothlandian
halogenated hydrocarbon system
have on sale
heffron
ideation
IFPS
imaginary characteristics
indoramine
international river
Ivandidi
Le Russey
line serving siding
lowest passenger deck
lumped reactor
magnetohydrodynamic generator
meat-packings
memory-mapped
moment due to elevator deflection
motive force
MRAs
neopuritan
Nodi lymphatici inguinales superficiales superomediales
Oum Semaa
outer case
plumbgomme (plumbogummite)
pors
post-cold war
pulsed voltage
quadrisonic
quaking mire
ratio of crushing
risk neutral parties
ruralisms
Sahaptin
satavaptan
single order
single-figure
sisal hemp
slide vane pump
stainless steel helices
status nervosus
stereocontrolling
strikes cluase
styleth
subluxation of talus
subsegment counter
tetraazacyclic
thermoresistant
TL (total load)
topographic rise
trabeculae corporis spongiosi
transfer of muscle
treatment format
tuberculosis of lunge
turmeric test paper
unmarked nonterminal
unmitigatedness
viscose sponge
vision amplifier
wasshe
weak-hearted
weaving wire
white slave trffic
wild kingdom
wimblet
zehrer