万有引力

Unit 1 Have you ever been to an amusement park? [00:08.08]Section B [00:10.05]1a Why do you study English? [00:14.07]Rank these reasons from 1 to 5 in the order of [00:18.11]importance to you. [00:20.13]1b PAIRWORK [00:23.00]Compare your answers in 1

发表于:2018-12-10 / 阅读(246) / 评论(0) 分类 初中英语山东版八年级下

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You could think of it as the real dancing with the stars. Two white dwarf stars have been found twirling around each other to make a complete orbit in less than every 13

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(七)月

3a [00:04.47]Read this article about a theme park. [00:07.28]Circle the places,things, [00:09.98]and activeties you think are interesting. [00:12.45]Underline the ones you think are boring. [00:15.47] [00:16.29]Have you ever been to Disneyland? [00:2

发表于:2019-01-09 / 阅读(198) / 评论(0) 分类 新目标初中英语八年级下册

Gravitational Waves Detected, Einstein Is Right 引力波存在证明爱因斯坦是正确的 尽管花费了100年时间,最终科学家还是证明了爱因斯坦的理论是正确的,引力波确实存在 The waves were predicted as part of Ei

发表于:2019-01-12 / 阅读(70) / 评论(0) 分类 2016年VOA慢速英语(二)月

In US, Few Roadside Attractions Remain In the first half of the 20th Century, state governments furiously built highways to accommodate Americans growing passion for the automobile. These roads were nothing like todays wide, high-speed interstates. T

发表于:2019-01-13 / 阅读(72) / 评论(0) 分类 VOA标准英语2012年(七月)

In 2016 the Laser Interferometer Gravitational-Wave Observatory, LIGO, made the first accepted detection of gravitational waves. So any time you move a mass it produces a gravitational waveso black holes, like the ones LIGO detected, these are stella

发表于:2019-01-20 / 阅读(98) / 评论(0) 分类 2017年Scientific American(三)月

When assembled, Michell's apparatus looked like nothing so much as an eighteenth-century version of a Nautilus weight-training machine. It incorporated weights, counterweights, pendulums, shafts, and torsion wires. 装配完毕以后,米歇尔的仪器

发表于:2019-01-29 / 阅读(57) / 评论(0) 分类 万物简史

At Principia's heart were Newton's three laws of motion (which state, very baldly, that a thing moves in the direction in which it is pushed; that it will keep moving in a straight line until some other force acts to slow or deflect it; and that ever

发表于:2019-01-29 / 阅读(68) / 评论(0) 分类 万物简史

Four months after the historic first-ever detection of gravitational waves, scientists said they have directly detected another gravitational wave washing over the Earth. 在引力波历史性的首次检测到四个月之后,科学家们近日表示

发表于:2019-02-02 / 阅读(108) / 评论(0) 分类 英语新闻

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-02 / 阅读(105) / 评论(0) 分类 英语新闻

David Reitze, executive director of the U.S.-based Laser Interferometer Gravitational-Wave Observatory, also known as LIGO, made the announcement in Washington D.C. Ladies and gentlemen, we have detected gravitational waves, we did it! The gravitatio

发表于:2019-02-02 / 阅读(64) / 评论(0) 分类 英语新闻

科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u

发表于:2019-02-03 / 阅读(81) / 评论(0) 分类 英语新闻

They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi

发表于:2019-02-06 / 阅读(94) / 评论(0) 分类 英语新闻

Astrophysics 天体物理 Dust to dust 尘归尘,土归土 A dramatic recent discovery in physics is looking rather dodgy 近期,物理学中的一项戏剧性发现看上出非常模糊 IN MARCH Chao-Lin Kuo, an astrophysicist at Stanford Univer

发表于:2019-02-16 / 阅读(97) / 评论(0) 分类 经济学人科技系列

Leaders 社论 Cosmology 宇宙学 Man suddenly sees the start of the universe 揭秘宇宙的起源 The quest to understand reality takes a great leap backwards 科学新突破探索宇宙诞生之初的真相 IN THE beginning was the word and the w

发表于:2019-02-17 / 阅读(74) / 评论(0) 分类 经济学人综合

在阅读中把握GRE词汇含义方法技巧 GRE文章是论证性文字,不是说明性文字,也不是叙述性文字。这种以论证为特点的文字,及于GRE阅读文章的各个层面:篇章段落句子单词。篇章由多个论点组

发表于:2019-02-17 / 阅读(59) / 评论(0) 分类 GRE英语

首先我必须要知道,一篇文章中不认识的单词占托福阅读词汇总量的比例只要控制在8%以内,是绝对不会影响到我们对全文任何观点的理解的。基于这一点,我们大家大可不必因为遇到了几个我

发表于:2019-02-17 / 阅读(162) / 评论(0) 分类 GRE英语

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-21 / 阅读(101) / 评论(0) 分类 2016CRI中国国际广播电台

As altitude increases, atmospheric pressure decreases. This is due to Earth's gravitational pull on the air molecules in the atmosphere. The closer to the Earth's surface the stronger the force exerted on these molecules. 随着高度上升,大气压

发表于:2019-02-22 / 阅读(68) / 评论(0) 分类 留美老师带你每日说英文

首先要说的是,在阅读教学的研究当中,语言学家们发现,一篇文章中不认识的单词占全文词汇总量的比例只要控制在8%以内,是绝对不会影响到我们对全文任何观点的理解的。基于这一点,我

发表于:2019-02-25 / 阅读(86) / 评论(0) 分类 GRE英语
学英语单词
'tween deck bunker
absolute size
accessibilities
acidified cold-process syrup
addictivenesses
all the crack
anaclinal
antepipona biguttata
away
ball alley
basic aluminium acetate
bicmos-pjfet technology
blown off steam
boat tail
brummy
calfflesh
cathode-ray polarography
cement lined pipe
chlorprocaine
clitoridis
containment structure
cored bar
cycle-counter circuit
cypripedium fasciculatums
cytoplasmic plaque
databoxes
deprogrammed
dermatorrhea
dihydroxylations
direct selector
draw lessons from
dvortsovayas
eco cybernetics
extra-heavy wash rod
fetus compressus
feyerick
find out the hard way
fourth freedom
front-and-center
fucus helminthochrtus
galeforce
gas-filled proportional detector
grass family
indoctrinates
isobromindione
isosphere
jet aircraft fuel
Kashinka
liquid fluidized bed
long-bones
low-calorie diets
magnetic core matrix storage
Marine Science Center
melanosis lenticularis progressiva
miarolitic granite
ministerially
misgone
Mosan
multi-robot
multilayer precision printed board
nemo judex in causa sua
netherlands guianas
nogh-
nonautonomous model
normal stress difference
on both sides
outside-mirror
page descriptor word
palming off
partial excavation method
passion play
personnel related expenses
piezoceramic noisecancelling microphone
pouzolzia indica guad.
power tower
pre audit of requisition
present social system
pseudanthessiids
psychoanalyzers
reafforestations
reduction oxidation potential
retrogames
sacramenti
Sapphirine-2M
sat-verbal
spinulose(spinurous)
spread of radioactivity
Stopcold
structural bond
thermal cutoff
time-sharing design system
tree-huggers
trepanation and drainage
Trondheim
ultra-marine trade
under the influence natural forces
upconverting
usual expense
vaseline oil
vinedage
white-clawed
wreak revenge