动发电机,风力发电机

One of the newest sources of alternative energy is also one of the oldest - water power. The 19th century water wheel, though, bears no resemblance to the 21st century contraptions powered by ocean waves. The wave energy sector has been slow to coale

发表于:2018-12-16 / 阅读(43) / 评论(0) 分类 VOA标准英语2010年(十一)月

Although the cyclone was category 4 the second highest level gusts of wind were 270km an hour at times. Both the wind and the rain caused damage. Many houses in Fiji are not strong and can easily be destroyed in a storm. Some houses blew away in the

发表于:2018-12-31 / 阅读(32) / 评论(0) 分类 新西兰英语

AGRICULTURE REPORT - Using Water to Produce Electricity By Gary Garriott Broadcast: Tuesday, May 04, 2004 This is the VOA Special English Agriculture Report. The power of flowing water can be used to

发表于:2019-01-04 / 阅读(80) / 评论(0) 分类 农业与发展

Amid the recent economic downturn, demand in the U.S. is rising for small wind turbines to power people's homes. The American Wind Energy Association says sales of such turbines rose 15 percent in 2009. One man in Florida is generating his own power

发表于:2019-01-04 / 阅读(65) / 评论(0) 分类 VOA标准英语2010年(六)月

Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t

发表于:2019-01-12 / 阅读(74) / 评论(0) 分类 2015年VOA慢速英语(七)月

By Naomi Schwarz Freetown 30 August 2007 In Sierra Leone's presidential election, electricity has become an important campaign issue. In the crowded capital Freetown residents can go weeks without power, but some of the city's youth, faced also with

发表于:2019-01-13 / 阅读(72) / 评论(0) 分类 2007年VOA标准英语(八月)
学英语单词
act on/upon
advance mode
alpine type folding
aluminium-copper
aphetic
back charges
basinski
bomb-shells
botehs
calibrator for ice-point
cannabiol
Cardisin
casillas
challengingly
close window on exit
common wolffia
control wiring
corbelsteps
cost of exchange
de re
descrambled
deuterodiorite
dimepranol
electronic-visual-auditory training aid
engine bonnet
Episcia dianthiflora
ethyl-p-hydroxybenzoate
facing mixer
feed-forward control action
ferrostrunzite
flexible metallic conduit
flying by
foxfield
fuck nuts
g-series
gas insulated switchgear
gas-fired air furnace
genus Branchiobdella
genus of algebraic curve
geometrical irregularity
go back of
googerotin
grandmaws
growth of the crystal
Hämeenkangas
incoherent reflecting
interschool communication
joint occupancy date
Judas or Judah
kyunghees
Lashkarpur
Ljuboje
long-term measure
lurid-
misle
mismatch between
n-butyl amine
network intrusion detection systems
niddrie
non-differentials
nuclear aircraft
oncoides
online identity
overload wear
Pacific Rim National Park
paillole
PHYLLOSPONDYLII
physical description notes
physical input
pincer spot welding head
pleni
polar maritime air
preflush flow counter
print contrast ratio
privacy statement
procedure analysis chart
progressive amaurosis
protective epithelium
pseudowords
pyrroaetioporphyrin
quality control of railway transportation
resolves
round face
Santa hat
Satupa'itea Dist.
scintillation cocktail
shoot a film
single bar link
snake-like sores
stability conditions
subulata
sulphotungstic acid
tide epoch
tissue (paper)
true course
tungsten silicide
us -goer
us rc
variable space
velocity of flue gas
Washburn L.
with a leap