[化] 过程废水

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(603) / 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(421) / 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(162) / 评论(0) 分类 英语科技新闻

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(203) / 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(312) / 评论(0) 分类 新东方背诵文选

以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。 一、泛听建议: 1、完整听一遍,掌握大意。 2、继续听,特

发表于:2018-12-26 / 阅读(151) / 评论(0) 分类 NPR边听边练

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(214) / 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(170) / 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(200) / 评论(0) 分类 英语小短文

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(166) / 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(150) / 评论(0) 分类 职业技术英语口语

今天我们要学的词是 cleanup. Cleanup名词,意思是清理。The Environmental Protection Agency released a list of 21 sites that need immediate and intense cleanup. 美国环境保护署公布了一份名单,名单上的21个地点需要立

发表于:2019-01-26 / 阅读(169) / 评论(0) 分类 英语单词荟萃

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(228) / 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(242) / 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(140) / 评论(0) 分类 PBS访谈健康系列

15 科技新闻摘要(四) DATE=5-8-01 TITLE=SCIENCE IN THE NEWS #2123 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Speci

发表于:2019-01-30 / 阅读(204) / 评论(0) 分类 科技之光

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(207) / 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(301) / 评论(0) 分类 VOA标准英语2010年(一月)

They got beds, dressers, and a music system for the living room, but items like sofas took longer. 他们买了些床、梳妆台、摆在客厅的一套音响系统,但是要买沙发就需要更长时间。 We spoke about furniture in theory for

发表于:2019-02-22 / 阅读(232) / 评论(0) 分类 乔布斯传

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(234) / 评论(0) 分类 双语有声阅读
学英语单词
a Monday morning quarterback
adams-curtis
aerological station
Almstedt
alternate stress test
arc furnace installation electric line
armed sweep
articulationes interphalangeae manus
bacon-curing
barlow knife
BeBox
boatbuilder
bound address memory management
casualizes
cathood
chromous choloide
clearing house loan certificates
coefficient of occupation
complex type
consumptives
contemp.
Creative Labs
cross error
cupressus macrocarpas
dalton
derivative call
deviation display
dibromothymol-sulfonphthalein
diethyl oxydiformate
differently
diprete
dry-bulb thermometers
error method
field-cured hay
ganja, ganjah
give sb away
grain powder
gravetts
gravity yard
hand caging
handly
help down
henry steinways
hypapophysis (pl.hypapophyses)
hyposensitiveness
input/output programming system
islesmen
langmuir gauge
latex film
legitimate right
librettistics
livraison
matrix steel
mechanical lift
membership-only
mental rejection
mephedrone
mind-
mosaic network
MPGF
multispectral scanning system
multivariable self tuning regulator
nitrobenzidine
odoraments
oedaspis formosana
organic reactor
Oro Valley
overspendings
Palpigradida
paraxanthin
partial pressure gauge
pay by the piece
Pellaea rotundifolia
Phaenocephalidae
philadelphias
Phosphacol
pinion and ring gears
plug in bond
Pr/Ph
prototype H-bomb
random equation
run and run
schrijver
smasheroo
Sourdeval
sparsity
speed control mechanism
squamous cell carcinoma of conjunctiva
statement of surplus allocation
storm troopss
syndactylous
tax-for-fees reform
tiger-like
trade regulation
tyred loader
unbookish
underlagged
unsymmetrical leaf spring
warm-front wave
water barrier
waveguide gas laser
Zhdanovists