水冷管式铜坩埚

The moon shone down on the lake like a spotlight. It was a warm summer evening, and I found the night sky, with its 1) glistening stars, relaxing to watch. Five of us were sitting on the dock, wishing

发表于:2018-11-28 / 阅读(259) / 评论(0) 分类 疯狂英语2002年

[00:01.00]Module 2 Developing and Developed Countries [00:09.22]Vocabulary and Listening [00:11.93]Activity 3 Check the meaning of these words [00:16.06]Now listen to the conversation and tick the topics you hear. [02:34.36]Activity 4 Listen again ch

发表于:2018-12-04 / 阅读(278) / 评论(0) 分类 外研社新标准高中英语必修(1-4)

V@enook.cn Lesson 17 Bring me some jam. What are you doing,Mom? I'm making some sandwiches. I'll help.I'll cut the bread. OK,Katie. Oh,Katie!What a mess!Give me that knife,please. Bring me some jam,please. Mom!Dan's eating the jam! The jar's almost e

发表于:2018-12-13 / 阅读(179) / 评论(0) 分类 新世纪少儿英语

Technology Report - How to Do It: Making Paper by Hand This is the VOA Special English Technology 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 st

发表于:2018-12-16 / 阅读(116) / 评论(0) 分类 2011年VOA慢速英语(七)月

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(118) / 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(146) / 评论(0) 分类 英国学生科学读本

Some methods of preserving food are easy to understand. 一些保存食物的方法很容易理解。 For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause

发表于:2018-12-28 / 阅读(125) / 评论(0) 分类 初学者听力文摘精选

AMERICAN STORIES - Mute Singer By Broadcast: Saturday, December 18, 2004 Every year at this time, the peasants began their long religious pilgrimage to Geed-leh, to visit the church there, and to pray

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 American Stories

DEVELOPMENT REPORT - Ways to Keep Food Safe By Bob Bowen Broadcast: Monday, September 20, 2004 This is Gwen Outen with the VOA Special English Development Report. People who grow their own food usuall

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 农业与发展

Parts of Chile are facing a growing water crisis. The Reuters news agency reports the government is taking steps to protect the countrys water supplies from mining operations. But for many years, the Chilean government approved water extraction right

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 2018年VOA慢速英语(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber . This will just take a minute. Theres a traditional bowl in Korea that locals say makes food safer. And they might be right. The bowl is made of almost 80 percent copper. Copper ion

发表于:2019-01-08 / 阅读(186) / 评论(0) 分类 Scientific American(九)月

In an Aesop fable, a thirsty crow wanting to drink from a pitcher must first raise the water level. So he drops pebbles in the container. In real life, the European Jay can perform the same task. But just how smart is it? Researchers challenged jays

发表于:2019-01-08 / 阅读(110) / 评论(0) 分类 Scientific American(八)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(96) / 评论(0) 分类 VOA慢速英语2009年(七)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(200) / 评论(0) 分类 VOA慢速英语2008年(二)月

托福阅读:阅读中后置定语的分类 归纳:后置定语,顾名思义分为后置和定语两个部分。后置也就是此种短语出现的位置是在名词之后,定语就是起到起到修饰限定作用的短语,注意是短语而不

发表于:2019-01-18 / 阅读(111) / 评论(0) 分类 托福英语

The lava, unleashed, transforms the earth. Along its way from comb to sea, it is a force of change, leaving in its wake a course of destruction and creation. The volcano sculpts a surreal moonscape. Huge rocks ferry on the backs of flows, tower over

发表于:2019-01-22 / 阅读(134) / 评论(0) 分类 自然百科2009年

This roof's just getting lower and lower now, which I don't like. All of this part of the ceiling here has just collapsed. It's a bad time for the torch to come apart. If this goes out, I'm in real trouble. I can let you just see -- all of this stuff

发表于:2019-01-23 / 阅读(100) / 评论(0) 分类 探索与发现2012年

后置定语,顾名思义分为后置和定语两个部分。后置也就是此种短语出现的位置是在名词之后,定语就是起到起到修饰限定作用的短语,注意是短语而不是句子,本质上相当于形容词。所以后

发表于:2019-02-21 / 阅读(138) / 评论(0) 分类 托福英语

摆脱特困户Splash cold water on your face无情地往自己脸上泼杯水吧! If a cup of coffee doesn't keep you awake long enough, try splashing cold water on your face, which is always refreshing. 如果一杯咖啡都无法让你清醒足够

发表于:2019-02-23 / 阅读(105) / 评论(0) 分类 英语听力广播—Listening

Some methods of preserving food are easy to understand. For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause it to spoil. You might wonder, however, about

发表于:2019-02-24 / 阅读(107) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abnormal oxidation state
akaranas
alpha-glucans
analytic(al) projective geometry
arid region
back focus
binary magnatic core
Bryant, Kobe
Car Play
centeral
chain average
character storage tube
chorditis cantorum
coil friction clutch
columnar magnet
console game
contraction percentage
corner folded
crosscultural communication
customs boat
CY to Door Service
date-shift code
diapiric orogenesis
direction of gravity
double effect
double-walled piston
economic theories
empierces
emplants
esophagogastrostomies
eternity-box
euchrenone
eudoes
euphemy
exchange in dollar
fencers
firm-level
forced lubrication pump
fuel element purge stream
glaphyra lishanensis
Grant,Ulysses S(impson)
high-impedance cable
house majority leader
in the eye of the beholder
intrepidly
ionization transducer
Isleta Indian Reservation
kahane chais
kinky hair
kotzes
lethalness
ligamenta capitulorum transversa
linear density recording
look-up routine
magnetic molding process
Martinelli-Nelson friction multiplier
meadow-wink
methylumbelliferones
microbiological process
mireille
mixed decision
naamen
once-in-a-thousand-years
outside air opening
parallel resistance phase shift type
pizzalike
plasma activation
psychiatric pathology
pulse test
radiating dikes
razor-wire
red-green vision test
residue valence
return labal
Sakouna
sausage filler cylinder
servo potentiometer
signal comparator
Snmp-1
soft ground
software firm
Sorbus tianschanica
spray broom
squeakings
stanislovas
staszicite
steady flight
sterile adhesive plaster
striped maple (acer pennsylvanicum l.)
strokesmen
T-Phyl
termination message
tetranitro-glycerine
thermodynamic potential
tri-axle pipe processing machine
Ulmus campestris
viscosity stabilizer
wing shooting
witchweeds
Zeeman slowers
Zener pinning