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Text Is there anything we can learn from deer? During the

发表于:2018-12-04 / 阅读(143) / 评论(0) 分类 大学英语精读第四册

[00:02.25]第八单元 课文A [00:04.49]Telecommunication via Satellite [00:06.71]卫星通信 [00:08.93]At the beginning of the twentieth century, [00:11.31]20世纪初 [00:13.69]there were four powerful means of transmitting and receiving information [00:17.37

发表于:2018-12-04 / 阅读(63) / 评论(0) 分类 大学英语自学教程上

Unit 4 DIALOGUE I Struggling with Taking Dictation A: Gosh, look at this, seventeen mistakes in my dictation exercise again! That's terrible. I'm really sick of the whole dictation business. B: Relax,

发表于:2018-12-04 / 阅读(68) / 评论(0) 分类 新编大学英语教程

I always connected more with New Moon. I really understood where he's coming from, and I want to get more the character which it shows in New Moon and Twilight. But it was difficult to make , you know, Everyone was worried about me, looked too depres

发表于:2018-12-07 / 阅读(96) / 评论(0) 分类 访谈录2009

27. Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of thi

发表于:2018-12-08 / 阅读(354) / 评论(0) 分类 新概念优美背诵短文50篇

[ti:UNIT 5 Go With Transportation Lesson 38: Let's Invent Hoverboards!] [0:00.666]UNIT 5 第五单元 [0:02.558]Go with Transportation! 乘坐交通工具去! [0:05.014]Lesson 38: 第38课: [0:07.162]Let's Invent Hoverboards! 我们来发明飞翔器

发表于:2018-12-13 / 阅读(136) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

Potential energy in a crossbow When we think of the concept of energy, we often think of objects in motion: a car rolling down a hill or a jogger running up a hill. This kind of energy-in-motion, called kinetic energy, isnt the only kind of energy. A

发表于:2018-12-27 / 阅读(43) / 评论(0) 分类 英语时差8,16

Unit 6 TEXT I Atomic Cars Text Every motorist dreams of a car of the future that does not have to be refuelled every few hundred miles, a car that will cost little to run because there is no outlay on

发表于:2018-12-29 / 阅读(91) / 评论(0) 分类 新编大学英语教程

When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy

发表于:2018-12-30 / 阅读(68) / 评论(0) 分类 国家地理2008年

It's a workout with two goals, mean green students are doing their bodies and the environment a favor when they hop on these machines. When you talk about energy, you think about like the windmill and there the water and other things producing energy

发表于:2019-01-07 / 阅读(56) / 评论(0) 分类 万花筒2011年

This is Scientific American's 60 seconds science. I'm Kellen Horgon. This will just take a minute. Have you ever wondered what happens to mosquitos in the rain, a raindrop is like 15 times heavier than those little suckers. So getting hit by one, he'

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(六)月

[ti:UNIT 2 Plant a Plant! Lesson 16: Unit Review] [0:00.193]UNIT 2 [0:01.853]Plant a Plant! [0:03.512]Lesson 16: [0:05.287]Unit Review [0:06.831]Ⅰ. Building Your Vocabulary [0:10.111]A. Fill in each blank with the proper word from the list. Use the

发表于:2019-01-09 / 阅读(237) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

US Agency Announces Wave Energy Prize Competition 美国能源部发起能源奖竞争 Experts say that sun and wind are the richest sources of clean, renewable energy. But ocean waves also create powerful, clean energy. So, the U.S Department of Ene

发表于:2019-01-12 / 阅读(85) / 评论(0) 分类 2015年VOA慢速英语(五)月

Science and Technology 科技 Looking for the Higgs 捕获希格斯粒子 Enemy in sight? 敌军现身? The search for the Higgs boson is closing in on its quarry 希格斯玻色子的研究逼近其目标 ON JULY 22nd two teams of researchers base

发表于:2019-01-26 / 阅读(56) / 评论(0) 分类 经济学人科技系列

By Carolyn Weaver Washington, DC 09 February 2006 watch Brookhaven report Experimental results at Brookhaven National Laboratory’s supercollider that replicate in miniature the “Big Bang,” when

发表于:2019-01-31 / 阅读(299) / 评论(0) 分类 2006年VOA标准英语(二月)

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(96) / 评论(0) 分类 英文语法词汇

How to Create Passion Anywhere and Anytime Remember Science class? Mr. Thatcher, sophomore year in high school, taught us about potential and kinetic energy. I was way more interested in Pam Miller, who sat perilously close to me. But on Mr Thatcher

发表于:2019-02-11 / 阅读(84) / 评论(0) 分类 阅读空间

Swinging Physics: Potential And Kinetic Energy Working Together 动能与势能相互作用 动能是所有能看到的运动的能量,包括物体的,微粒的或质点集的运动等。 势能(Potential energy )是位置的函数,例如把一个

发表于:2019-02-24 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest

Sit on a swing, let someone push you, and away you go. But what happens if the person who pushed you walks away, and you want to swing faster and higher. If you've ever been in the second grade, you know the solution to that. Just start pumping your

发表于:2019-03-06 / 阅读(179) / 评论(0) 分类 英语时差8,16

The Heat Is On 热传递,是热从温度高的物体传到温度低的物体,或者从物体的高温部分传到低温部分的过程。热传递是自然界普遍存在的一种自然现象。只要物体之间或同一物体的不同部分之间

发表于:2019-03-09 / 阅读(111) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a dirty
Acariformes
alchies
all honours go to...
anti-rust composition
Bitterash
blister pack(aging)
butt-breaths
cam-type wave generator
capping sand filter
car maker
cellarmaster
charging skip
chlornitrofen
cicinal
classteachers
cold metal work
constant electron density surface
cubito-
Cóndor, Nev.
deficit covering financing
demography of economy
diethylsulfondimethylmethane
differential cross-section
disinfect of
disk plough body
drove-way
dysmetabolic
earwork
effective magneton number
electric resistance probe method
ESSM
estimated federal income taxes
Europe type
external screw thread
fall of a goverment
firstpeople
gas-sphere
gasoline gauge switch
genitalias
GM
go on forever
gone through with
graylist
hulseas
hypercrinemia
industrial infrastructure
inguinal sphincter
intermediate crown wheel ring
isonomous
labunzovite (labuntsovite)
lance armstrong
load-limit changer
lolcow
loudness control switch
madougous
maintenons
mating flange
Maun Game Santuary
module library
mulitlayer configuration
neuo
note-pad
pathophilia
percentage of net sales
Phalaenopsis hainanensis
pharyngolysis
putu ra.(niete mts.)
ream out
rockhopper penguin
rotary-transformer
sacre bleu
salivan
sea flooding surface
secondary emission tube
selective addressability
semicontinuous-duty motor
side dunnage
signal processing for storage and coding
sodalye
somatic mutation
song-cycle
special drawing right certificate
specific heat at constant volume (cv)
spindle-shaped
Start-stop transmission.
station test
submicroscopic particle
tackleboxes
take one's death
three times overload relay
to arrest
transfusion
two-car garage
Varibility
wafting
weyl-minkowski theorem
wfts
William Herschel
youuns
Yuyama-toge