刚体之动能

Sugar-It Could Age You 吃糖一向被视为肥胖者的大忌,,除此以外,一般读者可能还知道吃糖与蛀牙、与某些心血管疾病的关系。可你是否想到过吃糖与人的衰老也有关系呢?本文则报道了这方面的

发表于:2018-11-30 / 阅读(192) / 评论(0) 分类 英语标准美文100篇

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(147) / 评论(0) 分类 访谈录2009

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(111) / 评论(0) 分类 英语时差8,16

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(135) / 评论(0) 分类 国家地理2008年

2009年12月四级写作真题及参考范文 Directions: For this part, you are allowed 30 minutes to write an essay entitled Creating a Green Campus. You should write at least 120 words following the outline below in Chinese。 1. 绿色校园的重要性, 2. 什么样的

发表于:2019-01-03 / 阅读(116) / 评论(0) 分类 四六级写作指导

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(121) / 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(150) / 评论(0) 分类 Scientific American(六)月

Sugar-It Could Age You 吃糖一向被视为肥胖者的大忌,除此以外,一般读者可能还知道吃糖与蛀牙、与某些心血管疾病的关系。可你是否想到过吃糖与人的衰老也有关系呢?本文则报道了这方面的最

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 英语阅读理解

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(143) / 评论(0) 分类 2015年VOA慢速英语(五)月

Designed by scientists at the Max Plank Institute in Germany, the iSkin can be stuck to fingers, forearms or even behind people's ears. The thin, flexible sensors can be glued on to the skin like a temporary tattoo. They allow users to control smartp

发表于:2019-01-16 / 阅读(120) / 评论(0) 分类 英语新闻

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(105) / 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(359) / 评论(0) 分类 2006年VOA标准英语(二月)

A short video about looking more confident, with advice from Judi James-our body language expert and author of 'Body Talk At Work'. Here VideoJug shows you some simple tricks to looking confident in any situation. 这是一部介绍关于如何让自己

发表于:2019-02-06 / 阅读(112) / 评论(0) 分类 阅读空间

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(144) / 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(142) / 评论(0) 分类 阅读空间

It's long been thought that chillies can help us lose weight. 很长时间以来大多数人都觉的辣椒能帮助减肥。 Now, new research has proved the fiery food can aid weight loss by speeding up metabolism. 目前一项最新研究确实证实

发表于:2019-02-16 / 阅读(122) / 评论(0) 分类 阅读空间

Science and technology. 科技。 Medical implants. 医用植入设备。 A sweet idea. 一个甜美的想法。 Researchers are trying to harness glucose-the body's own fuel-to power implantable gadgets such as pacemakers. 研究人员正试图利用葡

发表于:2019-02-18 / 阅读(176) / 评论(0) 分类 经济学人综合

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(111) / 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(232) / 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(167) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
about order
adsorption of natural gasoline
alpha ration
alternaria carthami
auxiliary activity
bos mutus
button-head anchorage
Cabot's ring
Cahn-Ingold-Prelog sequence rule
cartographic enhencement
coercibility
collateralized debt obligations
conjugate numbers
control rod drive housing
cord-cordless
cordiers
currockbilly mt.
deep scarification
democratic personage system
dietary guideline
electrical indicator
ercylene
Fatumanga
floresshe
Fund family
furchur
gracilariid moth
hair-shirt
helices
high-score tables
holomorph
homiletically
horizontal compensator
hurme
ILLIAC IV
in-service unit derated hours
industrial condensing unit
Kuamut, Sungai
Listvyanskiy
lobpries
locustae
loveshows
magnetic recording tape
male aristocrat
mathoms
mechanical caliper
metron
middling yield
moderator void coefficient
movieticket
Muraedinae
music of chance operation
neutron-capture cross-section
nitrite printing process
NSBD
nuclear resonance
oak-studded
Oesteopenia
olsens
on purchase of
ootherapy
patch thermocouple
Picquigny
polygynic
polystigma rubrum persoon
pretty breeze
prodelphic type
proteidogenous
pruningsaw
pseudocercospora ixorae
pullyblank
pupaparity
quasi-geostrophic theory
quiet irony
rhyll
sadrs
sequential marketing
sintering of loose powder
smuggles
somonopathy
source-to-film distance
stultifying
superheater external covering
surveilling
suspension period
sync direction
taxpay
technipions
Teisendorf
terior trim
thijs
tile hole
tuned rope
TV remote control package
two-door wardrobe
underrecruits
unscapable
water resources optimal allocation
wind-carved pebble
workday
world development report
written circuit