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(210) / 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(135) / 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(132) / 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(142) / 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(158) / 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(140) / 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(123) / 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(183) / 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(145) / 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(131) / 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(172) / 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(199) / 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(201) / 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(148) / 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(195) / 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(129) / 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(103) / 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(165) / 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(197) / 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(191) / 评论(0) 分类 英文语法词汇
学英语单词
0830
abtahi
Actimmune
acwf
air enrichment
arepycnometer
assisted call
bascule leaf
behind Bar
birthmothers
Boitshoko
brackish water plankton
break shins
by right of office
c.b.d.
calypsoes
chip budding
chyle cistern
concoct from
corrected course
Debaltsevo
design for guiding construction organization
dial-a-ride
diaminuria
die game
dielectric stress
dimeo
disken
duplex iron
dysphemisms
El Ma el Abiod
energy conversion rate
fig-leave
gallivan
gluon model
Gramma-phone
gravitational field strength
hard wearing alloy
harslets
hydraulic hitch system
in-take
ivanwald
just-as-good
Kalkudah
laser pressure gauge
left tackle
lichenian
locator key
Lochnerivine
lower-intermediate
Luzula effusa
mabuya multicarinata multi-keeled mabuya
mash spot welding
means of one's satisfaction
metallographic, metallographical
metanephrogenic
object diagram
overcautioned
participant observation
perforated tape recorder
Phacidium infestans
phase-shift capacitor
place of survey
plan on
playfighting
pocket magnifier
polyfluoroolefin
polysaccharide phosphorylase
porsopodynia
principle of capital income calculation
profit-taker
pseudomonades
pyramica formosus
quercus prinuss
radio dish
refin
replegiare facias
retort residue
road-works
Rosa's law
Roxel
screw with hexagon head
second hand rail
shit one's pants
soft X-ray absorption spectroscopy
stack of freight
standard ring
steam gauge board
supramaximal
telegraph nautical mile
therethat
thermocolorimeter
thrombocytosis
tread with
unbrick
uncoercively
us ko
volume emission rate
Waltz position
water descaling unit
westwego