汽发生器水锤

Genius at Work 天才在工作 Henry Ford didnt always pay attention in school. One day ,he and a friend took a watch apart. Angry and upset, the teacher told him both to stay after school. Their punishment was to stay until they had fixed the watch.

发表于:2018-12-07 / 阅读(179) / 评论(0) 分类 世界上最美丽的英文-人生短篇

When we change a liquid into vapour, and cool this vapour till it is liquid again, 将水加热成水蒸气, 然后对其进行冷却直至再次液化, we are said to distil the liquid, and the apparatus for doing this is called a still. 这个过程就

发表于:2018-12-18 / 阅读(113) / 评论(0) 分类 英国学生科学读本

Thus by heating liquids we cause them to evaporate, or change into vapours or gases; 因此, 可以看出:我们能够通过加热液体使得它们蒸发, 变成水蒸气或气体; and by taking away heat from these gases, or cooling them, we tu

发表于:2018-12-18 / 阅读(126) / 评论(0) 分类 英国学生科学读本

Lesson 88 Condensation 第88课 冷凝 When the water in a kettle boils, it boils first at the bottom. 当水壶中的水沸腾时, 首先开始沸腾的是底部的水。 We cannot see this in a kettle, because the kettle is made of iron. 我们无法

发表于:2018-12-18 / 阅读(160) / 评论(0) 分类 英国学生科学读本

Lesson 7 THE GOLD-FISH 第七课 金鱼 Have you ever seen very pretty little fishes, of a bright yellow or golden colour, swimming in a glass bowl of water? Look in the shop-windows, and perhaps you will see some. 小朋友, 你见过浅黄色或者金

发表于:2018-12-18 / 阅读(116) / 评论(0) 分类 英国学生科学读本

21 James Watt And The Teakettle 詹姆斯瓦特和水壶 James Baldwin 詹姆斯.鲍德温 A little Scotch boy was sitting in his grandmothers kitchen. He was watching the red flames in the wide open fire- place and quietly wondering about the caus

发表于:2018-12-28 / 阅读(115) / 评论(0) 分类 陈冠商英语背诵文选合集

[00:00.00]MODULE 9 First... Then... [00:08.59]Unit 1 First, Find a hammer. [00:17.03]1 Listen and point. [00:29.39]What are you doing,Dad? I'm going to repair this chair. [00:38.45]Oh! Can I do it? Okay. First, find a hammer and some nails. [00:46.32

发表于:2018-12-29 / 阅读(128) / 评论(0) 分类 新标准小学英语第四册(三年级起点)

STATEMENT OF MANUFACTURING EXPENSES FROM AJI-02 Sup.4 For the year ended JULY.31,1998 MONETARY UNIT: YUAN ITEMS LINE NO. THIS YEAR'S THIS MONTH'S LAST YEAR'S PLAN ACTUAL ACTUAL Salaries and wages Depr

发表于:2019-01-03 / 阅读(149) / 评论(0) 分类 财会英语

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(196) / 评论(0) 分类 农业与发展

Henry ford didn't always pay attention in school. One day, he and a friend took a watch apart. Angry and upset, the teacher told him both to stay after school. Their punishment was to stay until they had fixed the watch. But the teacher did not know

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 英语阅读理解

By Greg Flakus Albuquerque, New Mexico 25 July 2007 Large scale collection of solar power arrays As the world searches for ways to produce energy without burning fossil fuel, there is increased interest in solar energy. One place associated with sola

发表于:2019-01-12 / 阅读(180) / 评论(0) 分类 2007年VOA标准英语(七月)

JUDY WOODRUFF: Next: the possibilities of getting more energy through water. Humans have long harnessed the power of water to perform work. In modern time, hydroelectricity, generated by the power of water flowing through turbines at the base of dams

发表于:2019-01-27 / 阅读(187) / 评论(0) 分类 PBS访谈环境系列

英语美文:Genius at Work (天才在工作) Henry ford didnt always pay attention in school. one day ,he and a friend took a watch apart. angry and upset, the teacher told him both to stay after school. their punishment was to stay

发表于:2019-01-30 / 阅读(171) / 评论(0) 分类 阅读空间

A little Scotch boy was sitting in his grandmother's kit- chen. He was watching the red flames in the wide open fire- place and quietly wondering about the causes of things. In- deed, he was always wondering and always wanting to know. Grandma, he p

发表于:2019-02-03 / 阅读(180) / 评论(0) 分类 英语背诵文选第一册

Lesson 35 Getting up Steam 第35课 蒸汽往上冒! Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau

发表于:2019-02-07 / 阅读(129) / 评论(0) 分类 英国学生科学读本

There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

发表于:2019-02-07 / 阅读(191) / 评论(0) 分类 英国学生科学读本

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(147) / 评论(0) 分类 英国学生科学读本

My name is Johan, I feel exhausted, already. I've been doing this job for two days and I've already lost a lot of weight,really. You can earn 100 dollars a day, maybe more than that, 200. It depends, but, it's still a good money. This is the best job

发表于:2019-02-17 / 阅读(173) / 评论(0) 分类 英语杂谈

其实,推断题没有想象中的那么难,因为托福文章有很清晰的逻辑架构,T(topic)+A(aspect)+A(attitude)的篇章结构和TS(topic sentence)+D(detail)的段落结构是几乎每节课我都会提到的,只有明白了文章的写

发表于:2019-02-18 / 阅读(159) / 评论(0) 分类 托福英语

James Watt And The Teakettle A little Scotch boy was sitting in his grandmother's kit- chen. He was watching the red flames in the wide open fire- place and quietly wondering about the causes of things. In- deed, he was always wondering and always wa

发表于:2019-02-25 / 阅读(113) / 评论(0) 分类 双语有声阅读
学英语单词
27
a-comin
acceptance supra protest
after-acquired clause
analog simulation
aquo ion
arcuate crest
atmospheric pollutant
audit universe
automatic plotting aids
Ave.,ave.
berrigan
bograt
Bong Son
bridled-cup anemometer
bronchial sleeve lobectomy
carbon dichlorides
catalyst-oil suspension
chamigrene
chemical evolution in prebiological period
chrome-dolomite brick
cladosporium lactucae
closed-type heater
clutch throwout sleeve
colocation center
conducting region
core rod cutter
counterefforts
dentin chips
direct-current excited-field generator
double epitaxial IC transistor
dratted
dystric gleysols
earth-grazer
ediacarans
eluviating
ERV
fishpass structure
get below
Good Book, the
halt instruction
Heifetz
HEPATHROM
humanitarianizes
inertial guidance systems
inlet coefficient
jet perforator
Joosten process
keep in sight
laparotomy
large research microscope
lateral redudancy check
Legendre's condition
lenticulothalamic
lettern
Lyallpur
lygodium flexuosum sw.
Makaba Ndilo
manual tabulation
mediastinopericarditis
Monte Carlian
multiple reflection
myelitis
neurosensiferous
note magnification
orphaninFQ
physic-nut oil
polarizing spectacles
practical-unit
profuse sweating in the armpit
raise ... glass
rational electrical units
reentry phase
rescure
retention pin
salisbury channel
saturating of capillary
scriggle
singular element of a Lie algebra
solid injection diesel
south-ern
spiral bevel gear generating machine
stomaches
stypticity
subcallosal
Sunnises
suzannas
teleangiectatic myoma
template milling
tentorila foveae
tetryl-dermatitis
text walking
three-foot
tie dyeing
tristano
unbosoms
unit-types
unworshippable
vapour cooling
vinyl halide type
walking-cane
wolting