音标:[kætә'ku:stiks] ;
n. 回音学

Lesson 15 Webcams: Electronics tool or the end of privacy? 网络摄影机:电子工具还是隐私终结者? What are webcams? The word webcam is a compound word formed from two abbreviations, web from the World Wide Web and cam from camera. Webcams are came

发表于:2018-11-27 / 阅读(340) / 评论(0) 分类 赖世雄高级美国英语

absurd adj.荒谬的,可笑的 absurdity n.荒谬 abundance n.充裕,多量 abuse v.n.辱骂,滥用 abut v.接界,毗连 abysmal adj.极深的,糟透的 abyss n.深渊,深坑

发表于:2018-12-08 / 阅读(108) / 评论(0) 分类 GRE英语

In order to convert this opaque, 90,000 hours of video into something that we could start to see, 为了把这个9万小时的录像变成我们能识辨的东西 we use motion analysis to pull out, as we move through space and through time, what we

发表于:2018-12-19 / 阅读(79) / 评论(0) 分类 TED演讲教育篇

今天采访的嘉宾是安德鲁的朋友马希尔,他的公寓很特别,和普通公寓有什么不同呢 Andrew: So, Im here today with my friend Marshall. Marshall, whats up? Marshall: Uh, not a lot. Im being interviewed and thats nice. Andre

发表于:2018-12-27 / 阅读(65) / 评论(0) 分类 话匣子英语

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. On the June 30th podcast, you heard some bad singing. Clearly a lot of people think they can sing, just look at the enormous crowds that show up to auditio

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 Scientific American(七)月

Interesting sound. I would have guessed a Wild West performer was practicing with a bullwhip while also vacuuming. But no. That sound [SOUND] is apparently produced by the aurora borealis, the northern lights. [SOUND] Since 2000 researchers at Finlan

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 Scientific American(七)月

Have you ever wanted to turn down the volume at a deafening concert or noisy bar? Envy the whale: a new study finds that toothed whales can reduce their own auditory sensitivity when they expect a loud sound. The work is presented at this weeks Acous

发表于:2019-01-08 / 阅读(110) / 评论(0) 分类 Scientific American(五)月

PUSSY-CAT AND QUEEN Pussy-cat, pussy-cat, Where have you been? Ive been to London To look at the Queen. Pussy-cat, pussy-cat, What did you there? I frightened a little mouse Under the chair.

发表于:2019-01-09 / 阅读(401) / 评论(0) 分类 鹅妈妈童谣

How Does One Find a Meteorite? 如何找到陨石? Editor's Note: The annual Perseid meteor shower will peak in the skies over Earth on the night of Aug. 12-13. Despite a bright moon supermoon, there should still be a good show from this prolific sho

发表于:2019-01-12 / 阅读(80) / 评论(0) 分类 2014年VOA慢速英语(八)月

This has not only affected how music institutions,how schools for the deaf treat sound -- and not just as a means of therapy although of course, being a participator of music,that definitely is the case as well. 这不仅仅影响了聋人音乐学院处

发表于:2019-01-18 / 阅读(88) / 评论(0) 分类 TED演讲国际问题篇

A cardboard cathedral will be built near the centre of Christchurch city by the end of this year. First listen to March 2nd 2012 to hear about the Christchurch cathedral in the Square. Most of the Anglican churches were very badly damaged during the

发表于:2019-01-27 / 阅读(82) / 评论(0) 分类 新西兰英语

就算我尸变 他也不能杀我 He can't kill me,even if I turn. 里面没写一人有了女友怎么办吗 Is there anything in there about if one of you gets a girlfriend? 没有 那个有点太不着调了 No,that seemed a little farfetched. 谢尔

发表于:2019-01-28 / 阅读(84) / 评论(0) 分类 生活大爆炸第三季

Part III A New Age Dawns 第三部 一个新时代的黎明 A Physicist is the atoms way of thinking about atoms. -Anonymous 物理学家就是以原子的方式来考虑原子的人。无名氏 8 Einsteins Universe 第八章 爱因斯坦的宇宙 As

发表于:2019-01-29 / 阅读(175) / 评论(0) 分类 万物简史

Jim let his dog out to relieve himself late one night. He watched some TV, and then remembered to let the dog back in. When he opened the door, he was shocked at what he saw! In his dog's mouth was his neighbor's cat, dead! Bad dog! BAD DOG! said the

发表于:2019-02-07 / 阅读(125) / 评论(0) 分类 趣味英语

Dick and His Cat I Once there was a boy called Dick. He was very poor: his father and mother were dead and he had no friends to help him. One day he heard some men speaking: one man said, I shall go to London, for London is a very big city, and its s

发表于:2019-02-07 / 阅读(334) / 评论(0) 分类 趣味英语

An old woman had a cat. The cat was very old; she could not run quickly, and she could not bite, because she was so old. One day the old cat saw a mouse; she jumped and caught the mouse. But she could not bite it; so the mouse got out of her mouth an

发表于:2019-02-07 / 阅读(127) / 评论(0) 分类 趣味英语

There were many mice in a house. The man of the house got a cat. The cat killed many of the mice. Then the oldest mouse said, All mice must come to my hole tonight, and we will think what we can do about this cat.' All the mice came. Many mice spoke,

发表于:2019-02-07 / 阅读(152) / 评论(0) 分类 趣味英语

BEIJING: China will build its first long-term underwater observation platform in resource-rich South China Sea where it has territorial disputes with many south-east Asian countries including Malaysia the Philippines and Vietnam. 北京:中国将在和

发表于:2019-02-08 / 阅读(59) / 评论(0) 分类 英语新闻

托福听力演讲类文章关键要素分析之结尾!托福听力乃集四戾内容难、生词多、句子长、语速super快为一身的魔物,因此就让老师助大家一臂之力,顺利攻克托福听力这一重难点项目。 正所谓托

发表于:2019-02-09 / 阅读(122) / 评论(0) 分类 托福英语

aberration :: wandering or staying away; in optics, failure of rays to focus abettor :: encourager abeyance :: suspended action ablution :: washing abnegation :: repudiation; self-sacrifice abstinence :: restraint from eating or drinking accessory ::

发表于:2019-02-14 / 阅读(104) / 评论(0) 分类 英文语法词汇
学英语单词
'splains
a mare's nest
academist
actinomyces caudidus
Amphicarpaea
auricle
Bedburg
bryonicine
cabrals
cage in
carangoides orthogrammus
class field
combinatorial function
combinatory possibility
compression splice
coulon
coxo-femoral
dahabieh
dc permeameter
deconvolvers
dirty kitchen
dissociable
distance-sum measurement
Dome Hill
dominis
double-insulateds
dura mater
FDFF
film surface
flower-shaped
forefences
full duplex character transmission
genus gymnocladuss
geotechnical exploration
gesek
gkm
Hamhǔngbol
high-quality materials
hijacks
holy-stone
Homer Simpsonian
hydrogen refining
hydroxycorticosteroids
in plain view
infectious food poisoning
inhaul line
inhlbitory reflex
ixodin
Kitashigeyasu
kyoto-school
L-thiocitrulline
length of weld
lenticels
macrodantins
mammoth tanker
media-friendly
Melopsite
misocosmia
modern data entry techniques
mohaut
muzzlers
myeloproliferative disease
non-cashes
Olsen microphone
pachypleurosaurs
perceives
percutaneous oxygen monitoring
phalacroma doryphorum
physical twin backward pointer
picaresquely
pop-rock
precava
precision thermometer
primarize
proportional-plus-integral control action
Ranunculus paishanensis
recycling cloud chamber
rity
satellite relay of data
Sayre'sapparatus
schedule for repayment of principal
scindapse
sequential significance test
short description
short-termer
southern pea
spheric approximation
stray radiant power ratio
supraepicondylar
tephrosia
terms of access
test tube with side tube
trang
tugrik
typical meteorological condition area
urocyanosis
vevers
Voltoya, R.
wage war against
whereunder
window-downs
zouking