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(145) / 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(89) / 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(68) / 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(173) / 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(123) / 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(137) / 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(142) / 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(109) / 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(86) / 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(98) / 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(111) / 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(152) / 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(114) / 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(142) / 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(99) / 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(84) / 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(82) / 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(90) / 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(68) / 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(142) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
aborted firing
anionic current
antecedent rainfall
archegonial receptacle
articulated pin
auxiliary water-cooled water chiller unit
backup lining brick
base rate for job class
Bernoulli's theoren
Bosporus Bosphorus
Boussu
brotium
bruce c.
capricorn the goats
carbonate soils
Castanopsis clarkei
clarofusite
climatogenic succession
code, object
color anomaly
combable
compatible coordinate system
condescend upon
conservations of charge
Contwoyto L.
coyote-hole blasting
crystal cument
CTSH
delinquent acounts
design margin
dial washer
dithione
Egypt.
elliptical curve
elpenor
ethanenitrile
Gaiety girl
goods of foreign origin
gravitz
gunsights
have an edge over
Hendry
high-rise storage/retrieval system
immune globulin
Intelligent Optical Networking
inventory cost
jack plub
knowledge center
kreisberg
least value
made amends for
makunouchi
man is the measure of all things
Metilenbiotic
microvia
minute driving yoke
missile penetration aids
NARDIS
nearliness
nidations
non-elastodynamics
number agreements
oil service conveyor belt
OpenDNS
orbital image
original contract
partes neuralis
Pelopidae
photochemical polymerization
pneumodynamonmeter
port operations group
pragmatic argument
quantitative school
relative capacity
remote-control dial unit
resuscitation plant
riverports
RPL (remote panel loader)
sadasses
santo antonio do zaire (soio)
savta
Schulze's rule
semilunar hiatus
service implementation
showgrounds
shuffling gait
signature (sig)
Spiraria
subsidy arrangement
subtention
the LSO
transmission thickness meter
trusted to
tullibodies
Tungusic
underbudgeting
unsteady force
Veer cable !
war-mongerings
water arums
water-knockout drum
wineglassful