动能运算子

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(105) / 评论(0) 分类 访谈录2009

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(88) / 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(54) / 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(79) / 评论(0) 分类 国家地理2008年

JUDY WOODRUFF: Finally tonight: Yesterday was Earth Day, with celebrations around the globe. Hari Sreenivasan talked recently to a geologist who is also the host of a new film. And he's traveled the globe looking for ways human ingenuity has solved t

发表于:2018-12-31 / 阅读(72) / 评论(0) 分类 PBS访谈环境系列

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(70) / 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(102) / 评论(0) 分类 Scientific American(六)月

Operator, well could you help me place their call see the number on the match book is old接线生,你能帮我从旧的电话簿上找到他的电话号码上我和他联系上么 Shes living in with my best old friend她和我最好的朋友的老朋

发表于:2019-01-11 / 阅读(102) / 评论(0) 分类 美国乡村音乐

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(99) / 评论(0) 分类 2015年VOA慢速英语(五)月

Diamond life lover boy He move in space with minimum waste and maximum joy City lights and business nights When you require street-car desire for higher heights No place for beginners or sensitive hearts When sentiment is left to chance No place to b

发表于:2019-01-14 / 阅读(97) / 评论(0) 分类 节奏布鲁斯

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(65) / 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(312) / 评论(0) 分类 2006年VOA标准英语(二月)

Operator - 美国乡村音乐 Operator, well could you help me place their call see the number on the match book is old接线生,你能帮我从旧的电话簿上找到他的电话号码上我和他联系上么 Shes living in with my best old friend她和我最好的朋友的老朋友住在一起 Sh

发表于:2019-02-03 / 阅读(149) / 评论(0) 分类 美国乡村音乐

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(104) / 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(93) / 评论(0) 分类 阅读空间

Diamond life lover boy He move in space with minimum waste and maximum joy City lights and business nights When you require street-car desire for higher heights No place for beginners or sensitive hearts When sentiment is left to chance No place to b

发表于:2019-02-20 / 阅读(91) / 评论(0) 分类 节奏布鲁斯

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(102) / 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(65) / 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(192) / 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(125) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
absinth
Alepisauridae
alternate layout
amid
Annisse
antiset
auxiliary terminal
azodicarbonic acid
B-to-E
baronies
bjellands
bossship
British Insurance Broker's Association
Bubble Dancing
Carey Downs
character field descriptor
chemobrain
chipping maching
city parks
closed stack management
colour saturation
common plantar digital nerve of medial plantar nerve
De Steeg
deprecatings
descension theory
differential representation
dispersed phase hardening
dredging facility
duo two leading shoe brake
effective tillering
elongated kisser
ethyl hydrocupreine
federal communication court
feed gate
frame type
frontolyzes
Fréjus, Col de
gas-scattering loss
generalitats
Goskar dryer
ground communications tracking system
homothetic transformation
hot-blasts
infrared spectrograph
jig haulage
Kenonel
lead screen
loose fill-type insulant
lush-rollers
Lysimachia taliensis
matelote
maxillofacial prosthetics
Mexican wave
MHVA59
Molisch's reaction
NAVRADSTA
nickajack
nomuraea viridula
Norape
nreca
Oscarville
paperboard industry
Pedicularis batangensis
pelvic inflammatory disease,PID
pictorialness
pink triangle
plain steel-bar
pleasurehood
Policort
polytetrahedron
pro-marriage
pump power input
quarrying machine
radio-telescopes
radonoscope
ratelimiting step
rugoser
Rāwalpindi Cantonment
safety cut off
sample bias
Sandénia
sarcosporidians
sch-
sex-linked incomplete dominant inheritance
shaft log
sieve cell
single-pair problem
sortware
special sandhi
St Michael Parish
stationary auxiliary gas turbine
statoilhydro
strain-linear hybrid
tatou
thumbtip
training sequence
tristeronum compositum
trubetzkoys
under-satisfaction
vectorettes
vitriolic acid air