再纯化; 再净化

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(125) / 评论(0) 分类 英语美文

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(134) / 评论(0) 分类 2010年VOA慢速英语(四)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(131) / 评论(0) 分类 2010年VOA慢速英语(十一)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(174) / 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(132) / 评论(0) 分类 VOA标准英语2013年(六月)

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(153) / 评论(0) 分类 利未记

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(187) / 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(139) / 评论(0) 分类 原版英语对话1000个

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(119) / 评论(0) 分类 英语趣味课堂

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(158) / 评论(0) 分类 CCTV9英语新闻2014年08月

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(183) / 评论(0) 分类 英文语法词汇
学英语单词
a j
accumulated error
atrioventricular branches
backlead
bend connector
bizimungu
body colour
bounded-box font
budgetary funds
Centropyge
ceqa
chalkley
citizen defense
concent ration meter
consistently
count detector
cuneocerebellar
data separation
deadman and vigilance bell
demand gas
dilution and concentration test
director of public safety
dirichlet-series distribution
diselenide
E-E energy transfer
equivalet class
fiftyishes
fire loss adjustment
Fleurus
floccular fossa
flow opening
freebird
glutathione disulfide
gulliver's
gysins
have a one - track mind
horst and graben
hot cloud
hyalopilitic
ignipotent
Incortin
indexing chart
indication unit
inner loop
instant distortion
interaction factor
itemized appropriation
jakwood
Janauba
jordanstown
kerosene coal
kleptomaniac
knatch
labor supply curve
Lydd
macrocosmically
macromolecular colloid
magnetic ampilfier regulator
man juice
medium hard
motific
moulded cathode
Nemastomataceae
North Chelmsford
p-biphenylamine
Pediococcus urinae-equi
pichincha
Pineus pinifoliae
postgenal
Princess of Wales
process output
protest rally
quantitative psychology
Range top
rh-Leptin
rotational hysteresis loss
sarkisian
semi-automatic low pressure die-casting machine
Shekak R.
specific proteins
spot-the-difference
straight-line sintering machine
subsistence expenses
subsystem linkage descriptor
sulfugator
supersteel
tape condenser
the fox
tolerance control
torus desk floor
traumatic hematoma of nose
triple heading
tube testing by emission
two-phase flow regime
twx (teletypewriter exchange service)
unbinds
unenrgetic
vascular funnel
weld symbol
wussy
xenadrine
you're not wrong