发散球面波

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(369) / 评论(0) 分类 大学英语精读第四册

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(204) / 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(215) / 评论(0) 分类 英语时差8,16

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 long [ lCN ] I longed for a bicycle. v

发表于:2018-12-30 / 阅读(265) / 评论(0) 分类 每日攻克5词

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(296) / 评论(0) 分类 奥运28大项比赛

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(240) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(239) / 评论(0) 分类 英语每日一词

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(234) / 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(216) / 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(250) / 评论(0) 分类 Scientific American(一)月

Syrian Opposition Groups Try to Meld Divergent Approaches As the Arab League moves closer to Syria's opposition, differences in both aims and approach among anti-government forces are coming to the fore. Syria's opposition is united on one point: the

发表于:2019-01-13 / 阅读(161) / 评论(0) 分类 VOA标准英语2011年(十一月)

MICHEL MARTIN, HOST: Let's talk midterm elections now. The enthusiasm of Democrats is a major force shaping this year's crop of candidates. Among the results of a newly energized Democratic Party, far more women are running and expected to run in thi

发表于:2019-01-16 / 阅读(263) / 评论(0) 分类 2018年NPR美国国家公共电台3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(196) / 评论(0) 分类 TED演讲娱乐篇

You nervous? Were you, at your test? No. I was terrified. The only way our society can survive is for each of you to claim your rightful place. Today, you will take a test that will help you discover who you truly are. The future belongs to those who

发表于:2019-01-23 / 阅读(189) / 评论(0) 分类 英文电影预告片填空

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(194) / 评论(0) 分类 生活大爆炸第一季

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(275) / 评论(0) 分类 阅读空间

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(228) / 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(242) / 评论(0) 分类 经济学人科技系列

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(227) / 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(229) / 评论(0) 分类 白鲸记
学英语单词
acetarsone
acoustooptical deflection device
acute perivascular myelinoclasis
admiralty cause
alter course to port
annular hydraulic jump
API (application programming interface)
asbestos-reinforced plastics
Atlasova, Ostrov
auto-eating
ballplayerr
blood flowmeter
boat bed
bootman
bumbleberry
Carmanville
carrier pigeons
carving knives
cassette memory
charity box
chemical protector
compsodrillia mammillata
copper gluconate
county brownies
creep ductility
cystelcosis
daily service fuel oil pump
deaerated concrete
detached anticline
dicotyledonous tree
didenhydroretinol
DJM
dostoevskies
double-bus scheme
drum machines
duka
dynamic action between wheel and rail
economic pressures
energicstage
erection department
ethylamine urate
Everdur
exhaust elbow
felt wringer
Fermi golden rule
firingpin
foyt
gasp at
glans clitoridis
glycogelatin
go for the throat
Gregory Powder
half-duplex current
hydraulic efficiency steering gear
hyperbolic magnetic axis
hyperexcitabilities
ideal discrete-to-continuous-time (d/c) conversion
Jammu and Kashmir
japanese oaks
lilpochondrodystrophy
lithium bis(trimethylsilyl)amide
locating lug
lunar origin
mannakin
Marbury v Madison
Melusinidae
Mercuresein
muscle insertion
nerdism
non-english-speaking
odp
piltocks
pinetree array
playinger
punditical
quadrature phase
quality loss
reduced cocycle matrix
restlessness
scorched rubber
sea mollusc
self-righter
simulium (simulium) shirakii
slipping out
spending
steady state reactor
superficial radiotherapy
Tahyeon-ji
technical rehearsal
tetraphenylguanidine
timebases
Torteval
track center
transportation resources
TSCO
Tuz Gölü
undernutritious
underwater sightseein boat
ureterojejunal cutaneous diversion
veranthridine
vins blancs
Yi Jing