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(212) / 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(128) / 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(139) / 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(182) / 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(126) / 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(129) / 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(138) / 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(159) / 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(208) / 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(134) / 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(193) / 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(199) / 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(189) / 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(205) / 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(148) / 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(200) / 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(161) / 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(196) / 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(170) / 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(120) / 评论(0) 分类 双语有声阅读
学英语单词
ablation coupling calculation
abnormal input
agricultural cooperative society
alkali hydrosulfide
anchor steel
anticoaggulant
asphalt roll roofing
attributive variable
Basse-Kotto, Préfect.
BCVPP
bobbin winding
borated
Browning prism
bubble annihilator
buchli
bumpy air
Capparis cantoniensis
cardiosphygmograph
carity
catabolergy
causal past
Cenchrus incertus
collo-
contabulate
cross-polarization efficiency
cube-shaped
debtor and creditor
decommodifying
Diastix
dimidiately
Dornie
electric current per unit length
emergency service order
emergency sounding
equal time doctrine
Feast of Weeks
fission efficiency
flanged press finish
flat discount rate
flow response rate
fronius
genus Plasmodiophora
genus volvoxes
GLOBEX Alliance
glucopenia
harnessmakers
high bitrate digital subscriber line
hyperbaroclinic zone
image reconstruction technique
in of shape
iPad with Retina Display
Iris henryi
kellgren
kinetophilous species
Korskrogen
law history
leptoquark
LLC (liquid level controller)
low cut-off frequency
marina
multi-limbed
nerdily
nonparametric training method
opercular membrane
overall shipping length
particle-conservation equation
phasianuss
photohematachometer
photoreleases
plastic reactance moment
plicae malleolaris anterior
positive geotaxis
preoperational stage
presternite
quiddist
railex
rational homotopy
recombination value
replica reproduction
resistance stopping
response behaviour
retroscapes
second order efficiency
secondary control points
short count
shun publicity
silicon sheet polisher
Sissonville
social-learning theory
spermodochia
Sphaeromonas
sportos
stern post bossing
suomite (tantalic ochre)
supplemental-instruction
tabels
telechemic crystal
title-deeds
unretarded
warranty of seaworthiness
workstudy
Yesterday it rained all day