水煤气过程

By Gary Garriott Broadcast: August 25, 2003 This is Steve Ember with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. Freezing lowers the food temperature belo

发表于:2018-11-27 / 阅读(538) / 评论(0) 分类 VOA2003(下)-发展与科学

If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the

发表于:2018-11-28 / 阅读(341) / 评论(0) 分类 新概念优美背诵短文50篇

Scientists have come up with a revolutionary new use for wood. They have devised a way to make it transparent. This could totally change the way many things in our lives are used and made. See-through wood could one day replace glass and be used in w

发表于:2018-12-03 / 阅读(107) / 评论(0) 分类 英语科技新闻

Scientists have traveled to the mountains of Oman to find a way to remove carbon dioxide gas from the atmosphere. 科学家们前往阿曼山寻找去除大气中的二氧化碳气体的方法。 The geologists hope to find an effective and low-cost

发表于:2018-12-07 / 阅读(93) / 评论(0) 分类 2017年VOA慢速英语(四)月

梁丽萍老师根据网友和学生回忆的版本还原出了以下的简约版流程图,并附上了参考范文,供考生们参考。 The diagram illustrates how rain water is processed into drinking water by using different facilities in an

发表于:2018-12-12 / 阅读(162) / 评论(0) 分类 雅思机经

If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause

发表于:2018-12-15 / 阅读(248) / 评论(0) 分类 新东方背诵文选

The patato family island kills a million people in a mass imigration. The patatoes were destroyed by L. Calls by the water infested. Now we know exactly which steam of the water did the dirty work. Researchers analyzed the dry patato leaves well over

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(五)月

If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the

发表于:2018-12-30 / 阅读(155) / 评论(0) 分类 考研背诵50篇

DEVELOPMENT REPORT - Freezing Food By Gary Garriott Broadcast: Monday, December 27, 2004 I'm Gwen Outen with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. F

发表于:2019-01-02 / 阅读(139) / 评论(0) 分类 农业与发展

A cellphone rests in its watery-grave,a distressing sight for cellphone users everywhere. But this one, isn't dead. Hello, this Alexan,thanks for calling ,welcome, how may I help you?Liquipel is a start-up company based in Santa Ana, California. It's

发表于:2019-01-07 / 阅读(126) / 评论(0) 分类 万花筒2012年

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 英语小短文

Plant Your Mobile Charger in the Dirt 智利学生研发植物充电设备--花草也可做电源 Three university students in Santiago, Chile have developed a plant-powered device to charge their mobile phones. 在智利首都圣地亚哥, 3名智利大

发表于:2019-01-12 / 阅读(157) / 评论(0) 分类 2016年VOA慢速英语(一)月

AS IT IS 2014-12-20 Disagreement Over Lower Mekong River Dam Project A two-day meeting in Laos has left government officials and environmental activists deeply divided. The meeting was called to examine plans for a 260 megawatt dam on the Lower Mekon

发表于:2019-01-12 / 阅读(117) / 评论(0) 分类 2014年VOA慢速英语(十二)月

Explaining the process 流程解说 A: Could you explain the paper-making process to us - in very simple terms - please? A:那么能否请你简要的给我们讲解一下纸的生产流程? B: Well, the puip falls from a box onto the first part of

发表于:2019-01-14 / 阅读(110) / 评论(0) 分类 职业技术英语口语

Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗? Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上,但它的清洁能源形象却受到质疑 M

发表于:2019-01-26 / 阅读(181) / 评论(0) 分类 经济学人综合

JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human

发表于:2019-01-27 / 阅读(185) / 评论(0) 分类 PBS访谈环境系列

JUDY WOODRUFF: A few drips of good news greeted residents of West Virginia today, but the fallout from last weeks chemical spill is far from over. There's finally relief for some of the 300,000 West Virginians who've been unable to drink, cook or eve

发表于:2019-01-27 / 阅读(90) / 评论(0) 分类 PBS访谈健康系列

Researchers in Sydney are leading a new international effort to make desalination more environmentally friendly. Current techniques tend to use excessive amounts of energy or are heavily reliant on chemicals. The University of Technology in Sydney is

发表于:2019-02-06 / 阅读(142) / 评论(0) 分类 英语新闻

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(241) / 评论(0) 分类 VOA标准英语2010年(一月)

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

发表于:2019-02-25 / 阅读(191) / 评论(0) 分类 双语有声阅读
学英语单词
-plinerved
A.C. generator
acidimetry acidometry
active microresonators
all-over oneself
AT-10
atoms-for-peace program
attentional cue
Badal's operation
Bamber Bridge
Batu Gajah
beeveedee's
bisdimethylarsenic oxide
books of ecclesiastes
Brennan monorail car
buck tooth
civil code
cold-atomic fluorescence method
colo(u)r density
community resource
continuous path system
darkfields
deflection wedge
eka-lutetium
electric perforator
electronic control circuit
extraliterary
fanny hammocks
foot lining
forks
fossil karst
frame set
free boundary layer
gaging anvil
give the word
gonioradiometer
Guatemalan Sign Language
Halethorpe
have a horror of
holyworkfolk
horle
ice plough
infection focus
inviolableness
ion-filtration chromatography
job openings
jodammonium carnallite
kanfer
L(alpha)-chalcocite
Lancastrians
large scale time-sharing system
light creosote oil
mad world
metranoikter
milky juice
minimum entropy decoding
Myctophoidei
Nakhon Sawan, Changwat
naurodite
Nevis 2, Ben
normolipemic
not connected graph
on-axis coupling cavity
Papandreou
parentheses
pargylinum
pesticide-free
played the odds
Plica salpingopharyngea
prickly pears
program interchange
pulse factor
Ranunculus arvensis
recirculating control system
reinvades
rhachisphora alishanensis
rivanol gargle
rosys
semicircular spectrometer
seryozha
sfsu
silanises
single-loop system
skipping
slip indicator
sodium biselenite
specific identification method
spleen abscess
staggerer
statement of stockholder's equity
stop someone in his tracks
streptococcus sore-throat
sublamina
Sunnitize
take the hint
thermounit
Thorn's maneuver
usability test
Vicia perelegans
wheel stop
word cycle register
wulf electroscope