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Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design

发表于:2018-12-16 / 阅读(59) / 评论(0) 分类 2011年VOA慢速英语(四)月

DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o

发表于:2019-01-02 / 阅读(60) / 评论(0) 分类 农业与发展

This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The

发表于:2019-01-11 / 阅读(60) / 评论(0) 分类 VOA慢速英语2009年(四)月

Craters here stretch as far as the eye can see. Although no human has ever set foot on Mercury, we have a pretty good idea of what you would see. If you are walking around on the surface of Mercury, it will look outwardly a lot like the moon. When yo

发表于:2019-02-05 / 阅读(31) / 评论(0) 分类 自然百科2012年

Move away from the sun, and you'd expect things to cool down a little. Venus, the picture of coolness and calm, all pale but gully-cloaked by clouds but the planet of love is shrouded in mystery-----------draw beneath her treacherous veil at your own

发表于:2019-02-05 / 阅读(51) / 评论(0) 分类 自然百科2012年

You never guess the dangers on the ground from orbit, except maybe for this, massive, double-barreled storms hovering above the poles. Of this, what we called dipole features trailing around, we don't know what, really what they are, but the whole fe

发表于:2019-02-15 / 阅读(99) / 评论(0) 分类 自然百科2012年
学英语单词
adhesion layer
alantin
alliers
alternatingly
amphedroxyn
ascensions of the lord
atlas paper
benzyl oxide
bluish white
bobstay plate
boulogne-billancourt
Brandoberndorf
breeding habit
bulbophyllum pectenveneris
bunuel
bylders
CCD camera
cell tree
cellosis
cerium(iv) chloride
chess-in-the-schools
colletotrichum artabotrydis
collumn valve
Crassatella
data service task
deposit account point
dethdiet
dimroth-watson's distribution
drink some water
electrooptical light intensity modulator
endocarpic
exactiy
Fateyevskaya
federal protective services
fire laborers
flattening index
fluroxene
front bumper height
frontpitch
fuerza
general will
genus Selenicereus
geometrical factor
good-lucks
group control
Guangtong decoration
Haft Cheshmeh
hendrens
hipposideros bicolor fulvus
integral domain
intensely
Kanaga Basin
Karori R.
kerosene paint
lacrimatory candle
Lithocarpus tabularis
loftlike
Maxulvet
meet'em and street'em
mellophone
methylarsine
musculus serratus dorsalis cranialis
noise operation
nonhumen
Oberon, Merle
oil price simulation model
on tow
otosclerosis with obliteration of round window
out-of-favour
package engineering
palletized-cargo carrier
patent anchor
paytener
phaedusa horikawai
phase name
pictoure
policy measures
precision matrix
prevaly
Qoeckenstedt's test
Ramus pubicus
relative uniform convergence
Rhodocapsa suspensa
rootless fur
rope-drum
schawinski
scholar
siblings-in-law
stunt cocks
submarine canyons
sundereth
superflip
to the marrow of one's bones
tonsilloprive
trachel-
Unification Church
voluntary offer
weedkilling train
whistled for
whitelight
wine shop
yester-day