混流式水轮机;混流水轮机

France Hopes to Get More Wind Energy from Its Coasts France recently launched its first floating wind turbine. The new turbine is called Floatgen. It is near the countrys western coast. Makers of the turbine say it is able to provide electricity for

发表于:2018-12-07 / 阅读(190) / 评论(0) 分类 2017年VOA慢速英语(十二)月

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(131) / 评论(0) 分类 2011年VOA慢速英语(四)月

Lesson 8 A LUMP OF PUTTY 第八课 一块腻子(油灰) Did you ever see a man put in a pane of glass? He first cuts away the hard stuff which holds the old glass in its place. This hard stuff is called putty. Then with some fresh putty he fixes

发表于:2018-12-18 / 阅读(102) / 评论(0) 分类 英国学生科学读本

Idiom: On my back 一个人不停地对某人唠叨 Hit the book: Harness Sustainable Emission Inexhaustible Mitigate Turbine

发表于:2018-12-27 / 阅读(222) / 评论(0) 分类 趣味青春英语

Rome's savagery was matched by its size. When the Colosseum was built, Rome was a city of a million people and growing. Not until London of the 19th century would a city approach this size again. What

发表于:2018-12-31 / 阅读(162) / 评论(0) 分类 罗马的崛起

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(217) / 评论(0) 分类 农业与发展

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(190) / 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(147) / 评论(0) 分类 VOA标准英语2010年(六)月

This is Scientific Americans' 60-Second Science. I'm Chelsea Wald. Got a minute? Vinaigrette dressing: when you shake it little vinegar droplets scatter through the oil, but when you put it down, the droplets merge and the dressing separates. That's

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(二)月

VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 医学英语

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(154) / 评论(0) 分类 VOA慢速英语2009年(四)月

This is the VOA Special English Development Report. The earliest process of making paper was done almost five thousand years ago in Egypt and the Nile Valley. In those days, paper was made from strips of the papyrus plant. Modern paper-making began

发表于:2019-01-11 / 阅读(199) / 评论(0) 分类 VOA慢速英语2008年(二)月

仿生无桨叶风力发电机 Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, their fast-moving blades kill up to 300,000 birds annually in the U.S. 三叶风力发

发表于:2019-01-14 / 阅读(161) / 评论(0) 分类 VOA标准英语2016年(一月)

Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall

发表于:2019-01-14 / 阅读(179) / 评论(0) 分类 VOA标准英语2015年(十一月)

By Brian Wagner Key West, Florida 06 March 2008 Researchers in the United States are set to begin testing underwater turbine systems that can produce electricity from ocean water flows. The projects in Florida are the latest efforts to find alternati

发表于:2019-02-05 / 阅读(138) / 评论(0) 分类 VOA标准英语2008年(三月)

美国英语口语俚语(4) 1.ripoff 骗人的东西 What a ripoff! The new car I bought doesn't work! 真是个骗人货!我买的新车启动不了! 2.rock the boat 找麻烦 Don't rock the boat! Things are fine just the way they are. 别找麻烦

发表于:2019-02-06 / 阅读(120) / 评论(0) 分类 实用英语

Lesson 28 A Block Of Salt 第28课 一块盐 Every day we eat some of the white powder which we call salt. Salt does our bodies good, and keeps them healthy. We eat it at dinner along with our meat. We eat it, too, with eggs, and watercress, and with

发表于:2019-02-13 / 阅读(131) / 评论(0) 分类 英国学生科学读本

What the Student Say in Science Classes 自然科学课上学生们都说了什么 The following quotations were gleaned from classroom discussions in 5th and 6th grade science classes. 下面的这些话都是从五六年级的自然科学课的课堂

发表于:2019-02-17 / 阅读(134) / 评论(0) 分类 英语小达人

Listen to the questions and check the best answers. 1.May I see the wine list? 2.Could you give us one more beverage menu? 3.Do you offer cold water? 4.Is the soft drink free flow? 5.Do you have any beverage for children? 英语听力练习题 Listen

发表于:2019-02-17 / 阅读(115) / 评论(0) 分类 英语听力练习题

Mekong River nations are suffering from the most severe drought in decades, affecting tens of millions of people. In response, China has discharged water to help relieve the crisis. China began offering the emergency water supply since Tuesday, and w

发表于:2019-03-12 / 阅读(175) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
accordion-folded
accumulator n2 pressure indicator
across country
air jet oil atomizer
Anascaul
antiabric
approved prototype
audit firm
be unfitted with
berenil
beriberic
beta-spectrometer
biketowners
biochemistry of protozoa
British Anti-Lewisite, British antilewisite
building complexes
bus pass
calhoon
cimpulung (campulung)
city passenger flow
clear-text password
conference loyalty regime
control transition matrix
Cryptobranchidae
Dandy-Nanta disease
Delaware Memorial Bridge
Doggett's Coat and Badge Race
dorsal calcaneonavicular ligament
drygalski ice tongue
enarrations
fancy twill
fense
flipflop carry
flitty
frontier force
goldthorpe
gravelrash
hannaway
hare-bell
huck-backed
hypocapnias
if all goes well
involuntary memory
kedani mite
L.C.Greek
labour protecting
lower explosion limit
make a reach for
mangala
mature face
meno mossoes
mesostich
MIDPs
miko kagura (japan)
mining-induced stress
musiques
Navy cargo handling force
non-fictions
norlaureline
Oconto County
parus caeruleuss
peak gain ratio
peripolesis
playins
pole-zero method
pollen grains of cultivated plants
preschizophrenia
Purdysburn
pykar
rap
repollings
resistance to wear
rhabdomyosarcomas
rosa chinensis var.minima voss
sammich
Santou
scolopacine
self aware
selling broker
semi regular space
shadow banking
sickle cell tlait
sierozems
simplified approach
single frequency polarized light
soviet tv
statery
statutory authority
Tifu
to TW
Tom20
transfer-out
transformer rotor
tropical red soil
unsecretness
urean lobata l.var.tomentosa miq.
Urosulphanum
Vicq d'Azyr's stripes
viopurpurin
water accepting layer
Whitworth thread
winged headland