声表面波移相器

Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

发表于:2018-12-02 / 阅读(105) / 评论(0) 分类 2017年Scientific American(九)月

Jack plunched down into thesea, the water was freezing cold, hepumped back up to the surface, choaking and coughing, the lifevest kept Jack closed, but the waves kept hammering at him. Help! Jack shouted. Thought to the twenty foot tiger shark, andmy

发表于:2018-12-10 / 阅读(112) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

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(160) / 评论(0) 分类 每日攻克5词

By Jim Malone The U.S. presidential election campaign has entered a new phase, with both major party candidates criss-crossing the country in search of votes. After ceding the week to John Kerry and t

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 VOA2004(下)--美国大选

《Morning Phase》是Beck于2014年02月24日发行的第12张专辑。2015年第57届格莱美颁奖典礼上,Beck凭借《Morning Phase》获得最佳摇滚专辑奖以及年度专辑奖两项格莱美大奖。 Morning - Beck Woke up this mornin

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 格莱美获奖歌曲

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(139) / 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(140) / 评论(0) 分类 英语每日一词

India election starts final phase 印度大选迎来最后角逐 India has entered the final phase of its marathon general election, with 107m voters eligible (有资格的,合格的) to cast ballots. (不记名票) Voting is taking place in 86 constituencies (选

发表于:2019-01-07 / 阅读(162) / 评论(0) 分类 英语新闻

Iranian President on Four-Nation Tour of Latin America 伊朗总统内贾德到达拉美之行第一站 Iranian President Mahmoud Ahmedinejad got red carpet treatment on his arrival in Caracas where he often goes to see President Hugo Chavez. Michael

发表于:2019-01-13 / 阅读(103) / 评论(0) 分类 VOA标准英语2012年(一月)

Chavez Health Drives Venezuela Toward Uncertain Future In the days after winning a fourth presidential term of office in October, Hugo Chavez seemed healthy and full of life. But since his December 11 cancer operation in Cuba, he has not spoken or be

发表于:2019-01-13 / 阅读(94) / 评论(0) 分类 VOA标准英语2013年(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(161) / 评论(0) 分类 2018年NPR美国国家公共电台3月

By Liu Enming San Francisco, California 04 September 2007 Pipe picks up sounds created by waves At the tip of a tiny peninsula near San Francisco, California's Golden Gate Bridge stands the Wave Organ, a work of art that allows people to listen to mu

发表于:2019-01-20 / 阅读(156) / 评论(0) 分类 2007年VOA标准英语(九月)

By Bill Rodgers Washington, DC 03 November 2006 watch Nicaragua Election Preview Former leftist Nicaraguan leader Daniel Ortega could return to power if he wins Sunday's presidential election. The opposition is divided and Ortega appears to hold a s

发表于:2019-02-04 / 阅读(177) / 评论(0) 分类 2006年VOA标准英语(十一月)

今天我们要学的词是phase out。 Phase out, 是逐步结束的意思。世界上最年轻的国家南苏丹独立后宣布,学校教育将逐步淘汰阿拉伯语,改用英语教学。 The government of South Sudan announced it will phase

发表于:2019-02-05 / 阅读(132) / 评论(0) 分类 英语单词荟萃

TUNIS, Oct. 8 (Xinhua) -- Tunisia qualified for the final phase of the 2012 African Nations Football Cup after beating Togo 2-0 on Saturday at the Rades Olympic stadium near Tunis. The Carthage Eagles took the lead with goals by Walid Hichri in the 1

发表于:2019-02-05 / 阅读(133) / 评论(0) 分类 英语新闻

The International Monetary Fund says the U.S. economy is struggling to overcome sluggish growth due to an unresolved government debt crisis and weaknesses in the housing market and household finances. In a report released Tuesday, the IMF downgraded

发表于:2019-02-05 / 阅读(128) / 评论(0) 分类 英语新闻

Academy award winning filmmaker Oliver Stone, known for his controversial take on political figures such as George W. Bush and Richard Nixon, and on historic events such as the assassination of John F. Kennedy, has released yet another controversial

发表于:2019-02-12 / 阅读(114) / 评论(0) 分类 VOA标准英语2010年(七)月

Just as humans understand the shape of oursurroundings by how light reflects off objects, batsuse reflections of sounds they produce insteadwhat's called echolocation. But despite theirexcellent sensing abilities, one type of obstaclevexes the animal

发表于:2019-02-14 / 阅读(91) / 评论(0) 分类 2018年科学美国人1月

The Way It Goes (Acoustic) - Passenger One man's home is another man's journey Stars shine late and the sun shines early One man's straight and another man's curly It's just the way it goes One man's trash is another man's treasure Rummaging around i

发表于:2019-02-18 / 阅读(109) / 评论(0) 分类 英文摇滚歌曲

Those waves hitting the sand actually begin far out at sea. And it doesnt take much to get them going. A little wind will do the trick. First the wind blows over the surface of the water, generating the little ripples you can see just by blowing acro

发表于:2019-02-23 / 阅读(99) / 评论(0) 分类 英语时差8,16
学英语单词
acceptable risk level
Al 'Uwayjah
al-khiam
ammad
Anand, Viswanathan
annular slot nozzle
aster hispidus
at one's doorstep
atomic rearrangement
audio switching matrix
balloon clocks
beazer
big blind
Bond indexing
canyon delta
cataloguise
Centrifugal Mills
CO analyser
completely additive set function
dark roast
degraded illite
Deh 'Alī
demonomist
dirty ship
Drolshagen
electrodeposits
empty container inventory report
epoicotheriids
estyme
family Diaspididae
feeler level
flow-out
four dimensionality
galipine
gem-
generative-transformational grammar
Ghoshpāra
Grafham Water
gyre breaker
hasting variety
Hermite,Charles
hewlett - packard company
hoarding effect
horse cavalry
hypothermesthesia
inverted boat-shaped stratum
itomen
kerney
lichenophoma arecae
meang
mercurizate
method of limits
method of quantitative analysis
moorworts
multivariate transfer function
mushroom shaped
NBTS
no-load condition
non-uniform pressure
oil products
oil stone with knife
oxymercurations
p-adic integer
peacock ore
perishments
petty criticism
pheasants eye
pimploe
play off
please reply
reaction power
root cutter with cleaning cage
rose color
sado-masochism
sagrillo
seriah
sernin
shockwave
shrinkage stope
shungite
spunlaid fabric
St. P.
stick 'em up
stunt girl
Sulfachinoxalin
supplementary anode
Swedish Hoganas powder
terminator/initiator
thermal stage
too largest
traditional commodity
trap door key
turdus naumanni
underteller
unit-type drydock
urinary uric acid
Veratrum mengtzeanum
watertight layer
wind power heating system
wine-pot
Xuzhuangian Age
y? wu wu ch'i