然净化过程

VOICE ONE: I'm Steve Ember. VOICE TWO: Charles Darwin And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This month is the two hundredth anniversary of the birth of one of the most influential thinkers in science history. Charles Darwin

发表于:2018-12-07 / 阅读(212) / 评论(0) 分类 VOA慢速英语2009年(二)月

Life Is A Test 人生是一场考试 It makes for a lot of stress, and we tend to feel that there will be more hard lessons in life。 这是个让人充满压力的比喻,我们时常感觉人生就是一个不断面临各种课题的过程。 Lif

发表于:2018-12-18 / 阅读(138) / 评论(0) 分类 英语美文

Guayule- A Promising Crop From The Desert D:Holy guayule,Yale. Y:Holy what? D:Guayule.It's a desert-dwelling shrub from the Southwest. Y:What about guayule?I never even heard of it. D:Several things.One of the most important features of the guayule p

发表于:2018-12-27 / 阅读(136) / 评论(0) 分类 英语时差8,16

This is the VOA Special English Development Report. The lack of clean drinking water is a major problem worldwide. The World Health Organization says more than one billion people live in areas where renewable water resources are not available. The pr

发表于:2019-01-12 / 阅读(145) / 评论(0) 分类 2010年VOA慢速英语(四)月

Explorations - Great Thinkers: Charles Darwin and Evolution STEVE EMBER: Welcome to Explorations, in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most influential thinkers in science history. Charles Darw

发表于:2019-01-12 / 阅读(161) / 评论(0) 分类 2011年VOA慢速英语(十一)月

This is the VOA Special English Health Report. An outbreak of cholera in Haiti continues to spread sickness and worry. Health officials are worried that the capital could suffer a major outbreak of the disease. So far most cases in Port-au-Prince hav

发表于:2019-01-12 / 阅读(145) / 评论(0) 分类 2010年VOA慢速英语(十一)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(125) / 评论(0) 分类 2016年VOA慢速英语(九)月

By Paul Sisco Washington, DC 26 July 2006 watch Water Purification report Villagers in Iraq are better off today, thanks in part to NASA engineers from the Marshall Space Center in America's deep south. ------- Concern for Kids is a non-profit organ

发表于:2019-01-12 / 阅读(188) / 评论(0) 分类 2006年VOA标准英语(七月)

Students Invent Water Purification Disc The lab operates like a kitchen. They add several ingredients. Then they mix, weigh, press and bake them. What's created is called a MadiDrop - a ceramic disc infused with silver. When dropped in water, silver

发表于:2019-01-14 / 阅读(150) / 评论(0) 分类 VOA标准英语2013年(六月)

加速钙和矿物质吸收的蛀牙新疗法 For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth, this

发表于:2019-01-14 / 阅读(133) / 评论(0) 分类 VOA标准英语2015年(十二月)

12The Lord said to Moses, 2Say to the Israelites: 'A woman who becomes pregnant and gives birth to a son will be ceremonially unclean for seven days, just as she is unclean during her monthly period. 3On the eighth day the boy is to be circumcised. 4

发表于:2019-01-26 / 阅读(180) / 评论(0) 分类 利未记

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(201) / 评论(0) 分类 经济学人综合

By Paige Kollock Washington, DC 12 May 2006 watch Sustainability Expo report More than 350 students from 21 colleges and universities were on the National Mall in Washington D.C. this week to compete

发表于:2019-02-05 / 阅读(205) / 评论(0) 分类 2006年VOA标准英语(五月)

Katia: So, Enam, let's talk about environmental problems of our countries. In Bangladesh, what is an environmental problem? Enam: Actually, we have a lot of environmental problems in Bangladesh but mainly I'd say the soil contamination is quite bad,

发表于:2019-02-05 / 阅读(153) / 评论(0) 分类 原版英语对话1000个

A man enters a barbershop for a shave. While the barber is foaming(涂上泡沫) him up, he mentions the problems he has getting a close shave around the cheeks. I have just the thing, says the barber, taking a small wooden ball from a nearby dra

发表于:2019-02-08 / 阅读(196) / 评论(0) 分类 趣味英语

Katia: So, Enam, let's talk about environmental problems of our countries. In Bangladesh, what is an environmental problem? Enam: Actually, we have a lot of environmental problems in Bangladesh but mainly I'd say the soil contamination is quite bad,

发表于:2019-02-16 / 阅读(134) / 评论(0) 分类 英语趣味课堂

我所提倡的自然学习法只有三条基本原则。 I advocate this natural learning method with three basic principles. 第一、学习英语应该遵循由简入繁、由易到难、由粗至细的原则 I. Learning English should follow the

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 实用英语

Nearly 230,000 people affected by the earthquake in Yunnan have been relocated to safer areas. Longtoushan County is the worst-hit area. Two relocation sites were established there to accommodate victims. Works are now underway to repair dozens of wa

发表于:2019-02-18 / 阅读(166) / 评论(0) 分类 CCTV9英语新闻2014年08月

四六级英语考试备考三大原则 I advocate this natural learning method with three basic principles. 第一、学习英语应该遵循由简入繁、由易到难、由粗至细的原则 I. Learning English should follow the principle from sim

发表于:2019-02-18 / 阅读(203) / 评论(0) 分类 大学四六级阅读

一台类似于公交站的城市空气净化装置,近日正式落户于清华大学,其将作为清华校车车站之一,接受北京空气的测试。 请看相关报道: An outdoor air purification system, an oxygen bar designed in the fo

发表于:2019-02-25 / 阅读(194) / 评论(0) 分类 英文语法词汇
学英语单词
absolute drift
Acadia Valley
accessory maceral
administration of estate
agriculturer
allenes
aspergillus rubrobrunneus
Au-doped
boom platform
brainwaves
camoed
Candida
cell bodies
central route
commutating coil
complete reduced-form model
CONEC
contriter
cranked wing
cycle temperature
Darwin's theory
deck scupper ipes and sanitary discharge
demonax kezukai
diagnostic fossil
direct manure
display console keyboard
double pipe brine cooler
drop tee T
electronic dot generation
elliptical galaxies
faded rags
fare cards
fault block mountain
form an estimate of
frn
galvanized plug
ganoderan
gas-containing
groove for superior longitudinal sinus
ground dyeing
guisers
heavy cargo liquid
hetsmut
high milling
hydromantess
incoherent phase
inexcess
Isidora
isometrical
kapnick
lathyrus nissolias
leucoglossus
Lochaline
loghouse
majidi
mugilogobius cavifrons
muye
negative dictionary
old-timey
on one's behalf
oral antibiotics
over-full
palenzonaite
periodic reinforcement
pool depth
positive birefring-ence
potash dichromate
Pudozh
quota-share reinsurance
recordil 30
reef blasting works
remodifying
reporting tool
rubber-belt conveyor
rumatise
Schrenkia
scratch pad memory
servo-valve control device
sheet-straightening machine
single-breasteds
stepwise reaction
stress of weather
stretches the truth
systematic mutation
teraphs
tida
tie up with
tough-skinneds
Tow and Assist
trestleman
trideoxynucleotide
troopmate
TSL
unsharpened
up the booay
Uulu
vapor exhaust fan
verbless
vin mousseux
wiesenthal
wireless isolation
xuhui