地球潮汐重力仪

Scientists Decipher Fact From Fantasy in Movie 'Passengers' LOS ANGELES In the new Sci-Fi film Passengers, by Sony Pictures Entertainment, people on Earth are on a 120-year trip to colonize a new planet. But something goes wrong on their way there. S

发表于:2018-11-29 / 阅读(212) / 评论(0) 分类 VOA标准英语2016年(十二月)

EXPLORATIONS - Isaac Newton: One of History's Greatest Scientists By Marilyn Christiano and Frank Beardsley Broadcast: Wednesday, October 19, 2005 (MUSIC) VOICE ONE: This is Shirley Griffith. VOICE TW

发表于:2018-12-01 / 阅读(183) / 评论(0) 分类 Explorations

[00:00.00]Unit 2 Heroes [00:06.38]Lesson 1 Modern Heroes [00:09.60]National Hero [00:11.53]China's first manned spaceship lifted off [00:14.08]at 9 a.m.on Wednesday, [00:15.90]October 15th,2003 in Jiuquan,Gansu province. [00:21.64]The spaceship,calle

发表于:2018-12-04 / 阅读(260) / 评论(0) 分类 北师大版高中英语模块1

Broadcast: Jan 29, 2003 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a space rock that

发表于:2018-12-07 / 阅读(119) / 评论(0) 分类 VOA2003(上)-科技导航

[00:06.58]Reading HOW LIFE BEGAN ON THE EARTH [00:11.44]After the Big Bang,the earth was just a cloud of energetic dust. [00:17.08]What it was to become was a mystery until the dust began to slowly combine [00:22.41]into a ball moving around the sun.

发表于:2018-12-13 / 阅读(196) / 评论(0) 分类 高中英语人教版必修

[00:02.30]事实与幻想 [00:04.60]READING JULES VERNE:THE FATHER OF SCIENCE FICTION [00:07.72]阅读 儒勒-凡尔纳---科学幻想之父 [00:10.84]Jules Verne was born in 1828,in France. [00:13.62]儒勒.凡尔纳于1828年生于法国。 [00:16.

发表于:2018-12-13 / 阅读(227) / 评论(0) 分类 高中英语人教版高二

A trip to space 去太空旅行 Im so happy! Tomorrow Ill be one of the first students to travel into space. The spaceship will leave the Earth at 9 a.m. Itll take us to the Moon. I cant wait! The Moon is around 380,000 kilometers from the Earth, so

发表于:2018-12-18 / 阅读(99) / 评论(0) 分类 TED演讲国际问题篇

Has Earths Gravitational Pull Been Changing? 地球的引力改变过吗? Don, why are you slouching? Dont you know its bad for you? 唐,为啥你无精打采?你不知道这对你不好? Did you know that about 200 tons of debris strike the

发表于:2018-12-28 / 阅读(82) / 评论(0) 分类 初学者听力文摘精选

Zero Gravity, Does It Exist? 零重力,是否真的存在? This Moment of Science: Is there such a thing a zero gravity? 本期科学一刻:是否真的存在零重力? No Zero Gravity 零重力,无稽之谈 Contrary to popular belief, ther

发表于:2018-12-28 / 阅读(139) / 评论(0) 分类 初学者听力文摘精选

MR CAVORS FLYING MACHINE When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon. As it had neither wings nor an engine, I was amazed and asked him how his machine could fly. The secret lay in

发表于:2018-12-29 / 阅读(189) / 评论(0) 分类 人教高中英语高二

Why Is Gravity Good For Us? When astronauts return from long missions in space, their exit from the spacecraft is usually hidden from public view. This is because after several months in weightless conditions, things we usually take for granted, such

发表于:2018-12-31 / 阅读(113) / 评论(0) 分类 英语听力文摘 English Digest

Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t

发表于:2019-01-02 / 阅读(142) / 评论(0) 分类 火星生命

Mr Cavors Flying Machine When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon.As it had neither wings nor an engine,I was amazed and asked him how his machine could fly.The secret lay

发表于:2019-01-09 / 阅读(294) / 评论(0) 分类 高中英语听力人教版第二册

Gravity 重力 What happens if you drop a book? 如果你丢一本书会发生什么? Absolutely, it will fall down to the floor. This is called gravity. 很显然,书会掉到地上。这就叫做重力。 Gravity pulls from the center of the Ea

发表于:2019-01-10 / 阅读(116) / 评论(0) 分类 与美国小学生一起学英文第6册

Moon 月球 Do you have any idea how big the moon is? 你知道月球有多大吗? The moon's radius is 1737 kilometers. 月球的半径长1737千米。 This is just one fourth of our Earth. 它的半径仅仅是地球半径的四分之一。 The d

发表于:2019-01-10 / 阅读(119) / 评论(0) 分类 与美国小学生一起学英文第4册

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

发表于:2019-01-11 / 阅读(148) / 评论(0) 分类 VOA慢速英语2008(十)月

Well, the story of the earth spin goes back all the way to the origin of the solar system, four and a half billion years ago. The solar system started out as a cloud of gas and dust. And these gas and dust clumped together to form the sun and the var

发表于:2019-01-22 / 阅读(118) / 评论(0) 分类 自然百科2009年

He dreamed a lot. He had good dreams. He had bad dreams. Sometimes, he had strange dreams. He dreamed he was a cowboy. He rode a horse and gunned down bandits. He dreamed of being an astronaut. He orbited the earth in a spaceship with zero gravity. T

发表于:2019-01-24 / 阅读(126) / 评论(0) 分类 英语第3级听力-English Level 3

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(91) / 评论(0) 分类 万物简史

Some stay in shallow waters But our future is the open sea I will fear no evil As long as you're right here with me With you I'll stay the course Together we will rise above We'll set the sails of faith Raise the flag of love Raise the flag of love S

发表于:2019-03-11 / 阅读(173) / 评论(0) 分类 音乐咖啡厅
学英语单词
acrodont teeth
adaptive postfiltering
Astanans
automatic typewriter
balloon-borne drop capsule test
basic economic series
bear speculation
best linear unbiassed estimator
bialystok
boat lifts
brandewie
brightshine
Brooke's tumor
cheilolejeunea ceylanica
chip-breaker groove radius
completed contract method of revenue recognition
conventional current direction
core test
Cosimo, Pierodi
couch commerce
cvideo
cypridinids
deuteranomalous
disease-care
divided share
earsies
erythromycin propionate lauryl sulfate
finite frequency
flat-back needle
foil target
folding and seaming press
frequency setting matrix
future Cauchy development
granitic stucco coating
greengages
homoclitic
horizontal linearity
hybridization frequency
I indicator
inanition atrophy
interface echo
interrupt return control word
key-word
Komshtitsa
lardaceous spleen
leading edge flap actuation system
magnificum
marine iguana
miscellaneous interference
Montalto Ligure
mucoduct
multi-coat
multivariate processes
neise
nommed
non-periodic flow
Nykφbing Falster
open access
optic uniaxial(monoaxial)crystal
optical laying equipment
outlet of pelvis
paragoite
paraquitoes
Pentadienes
prevention of decay
public zoning hearing
purplishness
purulent panophthalmitis
qi deficiency of heart and lung
ranarian
relative balance
reserves recognition accounting
rockheads
rogacki
romanization of geographical names
Rungia bisaccata
saprophytic transitional infection
sassers
seal angle
send/receive keyboard
sentence accent
Shahbad P.
Sphaerocarpus
sphenotresia
square shank bolt
stack cutting
stiltbird
submillimetre wave laser
survey on completion
sweating following shiver
switch bail
synoval
tectonic magnitude
telepointer
throttle valve shaft
throw the book at someone
toabhead
wealth management
Yashkul'
Zahidan, Zahedan
zigzag ramp
Zygophyllum brachypterum