球心轴承

Text Can you prove that the earth is round? Go ahead and try! Will you rely on your senses or will you have to draw on the opinions of experts? WHY DO WE BELIEVE THAT THE EARTH IS ROUND? George Orwell Somewhere or other — I think it is in the prefa

发表于:2018-12-04 / 阅读(150) / 评论(0) 分类 大学英语精读第四册

听广告学英语:Olympus Camera 奥林巴斯相机 原文:The Olympus Procorder'L400 micro-cassette recorder, your mobile camera that makes your dreams come true. Traditional technique merges with the strength of today's technology. Olympus Is-200 28-110 millim

发表于:2018-12-07 / 阅读(113) / 评论(0) 分类 听广告学英语

Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's

发表于:2018-12-11 / 阅读(91) / 评论(0) 分类 万花筒2006年

Some people prefer clay tennis courts, others like grass. Yael and Don discuss the difference on this Moment of Science. Y: Hey Don, what do you say to a game of tennis later? D: Sure thing, Yael. But it has to be a clay court, okay? Y: But the grass

发表于:2018-12-27 / 阅读(60) / 评论(0) 分类 英语时差8,16

北京奥运28大项 参与,竞争,分享,进步 Handball 手球 PLAYING TIME 比赛时间 英文原文 The normal playing time for all teams with players of age 16 and above is 2 halves of 30 minutes. The half-time break is normally 10 minutes. The ball is made of leat

发表于:2018-12-30 / 阅读(180) / 评论(0) 分类 奥运28大项比赛

British scientific journal Nature has noted China's achievements in aerospace, genetic engineering, and climate change in a report released last Friday regarding science events that shaped the year 2016. 英国科学期刊《自然》上周五公布了

发表于:2019-01-06 / 阅读(42) / 评论(0) 分类 英语新闻

Declassify US government documents and witness testimony from former or retired US military personnel confirm beyong any doubt the reality of ongoing UFO incursions at nuclear weapon sites. When I say UFO, the witnesses have described this craft as d

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 CNN2010年(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(一)月

If youve ever had a garden or grown flowers in a window box, youve probably heard that you shouldnt water your plants at high noon because their leaves might scorch. Now a study in a journal called New Phytologist confirms that water droplets can foc

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(一)月

You see the larger wing area here. 你们可以看到这儿有面积更大的翅膀。 Also, clearly, it was such a powerful thing,we wanted to try and bring other people but we couldn't figure out how to do it. 而且,这还是件很有影响力的事

发表于:2019-01-18 / 阅读(84) / 评论(0) 分类 TED演讲娱乐篇

生活大爆炸第一季第九集_3:The Cooper-Hofstadter Polarization Okay, I'm leaving for the conference. 好啦,我要去参加会议了。 -Sheldon:Have fun presenting my lucky hunch. 祝你报告我的小运气愉快。 -Leonard:Shel, I

发表于:2019-01-28 / 阅读(70) / 评论(0) 分类 生活大爆炸第一季

At this point, about 4.5 billion years ago, an object the size of Mars crashed into Earth, blowing out enough material to form a companion sphere, the Moon. Within weeks, it is thought, the flung material had reassembled itself into a single clump, a

发表于:2019-01-29 / 阅读(32) / 评论(0) 分类 万物简史

每年,《时代周刊》都选出让世界更美好、更智能、更有趣的发明。今年的也能让你大吃一惊哦! 1.The Levitating Lightbulb 1.悬浮灯泡 Since he was a child, Simon Morris has been obsessed with making objects float

发表于:2019-02-01 / 阅读(92) / 评论(0) 分类 阅读空间

今天我们要学的词是bearing. Bearing is spelled b-e-a-r-i-n-g, bearing. Bearing 意思是关系,意义。我们常用 to have bearing on something 意思就是同某事有关系,对某事有影响。The decision had much bearing on the way

发表于:2019-02-05 / 阅读(98) / 评论(0) 分类 英语单词荟萃

For one thing, if this was just the Ebbinghaus effect, 首先,如果真是艾宾浩斯效应, then we would expect the moon illusion to disappear for pilots flying high above the clouds 那么我们应该预期月球错觉对于空中的飞行员来

发表于:2019-02-13 / 阅读(55) / 评论(0) 分类 TED演讲教育篇

Science and technology 科学技术 Investigating the asteroids 小行星探测 Dawn's early light 黎明号初试锋芒 A mission to the asteroid belt will visit leftovers from the solar system's formation 小行星带探测任务将造访太阳系形

发表于:2019-02-16 / 阅读(50) / 评论(0) 分类 经济学人科技系列

1.One is always on a strange road, watching strange scenery and listening to strange music. Then one day, you will find that the things you try hard to forget are already gone. 1.一个人总要走陌生的路,看陌生的风景,听陌生的歌,然

发表于:2019-02-18 / 阅读(106) / 评论(0) 分类 英语美文

Only a dad with a tired face, Coming home from the daily race, Bringing little of gold or fame, To show how well he has played the game, But glad in his heart that his own rejoice To see him come and to hear his voice. 只是个面带倦容的父亲,

发表于:2019-02-25 / 阅读(100) / 评论(0) 分类 英语美文

Some of the tallest trees in the world are under threat from poachers. Parts of the redwood forest park have been closed off after a 400-year old tree was cut down. More and bigger burls are being taken near former logging towns where the economy has

发表于:2019-03-04 / 阅读(104) / 评论(0) 分类 英语听力精选进阶版

Under this head I reckon a monster which, by the various names of Fin-Back, Tall-Spout, and Long-John, 在这个项目下,我不禁想起一种有着许多名称的巨兽来:脊鳍鲸,高喷鲸,长约翰鲸, has been seen almost in every sea and is c

发表于:2019-03-10 / 阅读(126) / 评论(0) 分类 白鲸记
学英语单词
aether anestheticus
air quenching cooler
alfonsinos
amyloid protein plaque
anandria
angiostrophe
Azufre, P.del
Bad Essen
bad mouth
bbwaa
bend one's ear
betaglucosidase
botanical composition
bunrakus
cadmium sulphide photoconductive cell
calcar avis
castel san niccolo
champery
colored mortar finish
Concepción de la Norma
cumulative appreciation
diazo-5-oxo-L-norleucine
disowns
ductworks
dunship
eisoptrophobia
elaphoglossum conforme schott
equipment activity-sensing
erection and dismantling bay
fulfill
full duplex line
gargarisma kalli chloratic
genus Brickelia
genus Hyperoodon
good and well
hat and shoes store
head ratio
healing front
heavy foliage
home economicss
home-schoolers
homostyle
horizontal scanning
horn cutoff frequency
horse fine breed
Hygrophila
idealess
indicator panels
Individual Request for Inventor
intertrain
irish whisk(e)y
Kabili
kashnow
kingery
line telecommunications
makizushi
Mangaon
marginal revenue production
miscellaneous unit
moon guitars
msgin'
muck spreaders
not to give a monkey's
optical path length
original survey
outscourings
pampe
pretzelosity
progressive dystrophy
Prāgpur
put one over on sb
Qiryat Motzkin
radial drawing forming
reavley
reline
rhinolaryngologic
satellite communication control office
seasonal affective disorder (sad)
series of nonnegative terms series
shittest
skull patch
slanting cut
small-scale topographical map
snuppy
solar eczema
speedometers
split-range control
stabilizing hammer
staple-fibre cutting machine
sublaminar
supporting surface
Tachypleus
tanbur
target system
tiny fish
transistor differential amplification circuit
uterine colic
whalsays
wide hog casing
working memory
Yagi-Uda antenna
youthfest