相对论动能

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(135) / 评论(0) 分类 访谈录2009

Obama, Romney Differ on Energy Policy President Obama has been a champion of expanding renewable energy sources, such as wind and solar power, which he says hold great promise. Mitt Romney is a proponent of raising production levels of America's own

发表于:2018-12-08 / 阅读(81) / 评论(0) 分类 VOA标准英语2012年(十月)

OK, today we're going to talk about the mole. 今天我们来谈一下摩尔。 Now, I know what you're thinking: I know what a mole is, 我知道你现在在想:我知道摩尔是什么, it's a small furry creature that digs holes in the ground

发表于:2018-12-18 / 阅读(99) / 评论(0) 分类 TED演讲教育篇

It's a bit of a cross of my arm. 一些手臂的交叉。 So all I'm doing is exploring this space of T and flashing through it with some action. 我在做的仅仅是探索T的空间,通过一些动作穿梭于这个空间。 I'm not remembering w

发表于:2018-12-19 / 阅读(108) / 评论(0) 分类 TED演讲教育篇

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(80) / 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(114) / 评论(0) 分类 国家地理2008年

Given all the buzz, you'd think an iWatch from Apple would be a case of when rather than if. In theory, such a device could push computing forward. Users could check messages and get alerts and directions without having to whip out their iPhones. (An

发表于:2019-01-07 / 阅读(113) / 评论(0) 分类 英语阅读理解

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(101) / 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(133) / 评论(0) 分类 Scientific American(六)月

Welcome to American Mosaic in VOA Special English. (MUSIC) I'm Doug Johnson. Today we listen to music from a popular band of brothers ... Answer a question about Blackwater And talk about white roofs and green roads. (MUSIC) Green News HOST: Green c

发表于:2019-01-11 / 阅读(123) / 评论(0) 分类 VOA慢速英语2009年(六)月

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(129) / 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(93) / 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(335) / 评论(0) 分类 2006年VOA标准英语(二月)

总有人会问怎样学英语效果最好,其实这个问题是没有统一的答案的,这里有一些学习英语的建议,希望能对大家有所帮助。 Warming-up to Study English学习之前先热身Just as there are exercises to help

发表于:2019-02-06 / 阅读(104) / 评论(0) 分类 英语学习方法

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(124) / 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(117) / 评论(0) 分类 阅读空间

女生表达我喜欢你的十个小动作 1. For more than 40 years, researchers have been cataloging the non-verbal behaviors women use to let men know they're interested (and vice versa). One important category of flirting includes the oldest tric

发表于:2019-02-21 / 阅读(133) / 评论(0) 分类 实用英语

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(91) / 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(220) / 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(151) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
3-Diethylamino-propanol
4-Methylumbelliferylphosphate
algorithmic programs
Androsace sarmentosa
avel
bazookier
behavioural approach
Beru Atoll
bishops of rome
Boea swinhoei
brouded
cailliet
constitutional obesity
contact binary star
debt service payments
defrank
delic
delivery path
differentiate into
domestic worker
Duāb, Rūd-i
echylosis
edward lears
electronic tonometer
emergency braking system
enterprise service buses
euph
Ficus bengalensis
finite resource
fishery mothership
fricandels
front time of impulse current
froth at the mouth
grapiest
gravity takeup
Haglund's disease
Helicella
Hemi-Resection
histones
homotransplants
import and export merchant
in a manner of speaking
incorrupt, incorrupted
inter-changeabilities
itzik
Katayama nosophora
knocked all of a heap
lack-wit
law school
lemon-colored
lend-leased
Leucomyelopathy
lingard
logic scope board
madesis
magnetic focused image intensifier
member nations
mercury lactate
microeomputer
movable breakwater
nerrer
nkrumahs
olfactorily
ormandies
out-drive
overswim
pillarets
pine-apple
pinhole imaging
poppy-seed
pratique signal
pre-pregnancies
proliferative stage of endometrium
recovered solvent
rejuvenated orogenic zone
relative sunshine duration
REM sleep
report entry
retort upon sb
Rettger's egg-meat culture-medium
Rubus L.
sediment distribution
sialiss
single phase double insulation hand grinder
single-nucleotide
slow (neutron) reactor
soncy
sporicidin
spring reinforced eye
stigmatic hair
synchiropus altivelis
technical analysis package
tension pulley block
terrestrial station
tracking focus
transit trunk
virtual desktop pool
waldoboro
weak absorption
weak-base anion exchanger
will I , nill ye
word deafnesses