un. 成对频率
[网络] 成双频率;频率对

Welcome to Words and Their Stories, from VOA Learning English. On this program we explore common expressions in American English. Like all languages, our expressions come from everywhere. They come from nature, sports, and food. They come from money,

发表于:2018-12-08 / 阅读(279) / 评论(0) 分类 2018年VOA慢速英语(七)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(五)月

Not rocket science? 不是什么深奥的技术? Its not rocket science. 不是 Now...when you were first coming in contact with these computers and inventing them before the HP1900, 最早接触HP1900时 you do talk about writing programs. 你谈到

发表于:2018-12-27 / 阅读(151) / 评论(0) 分类 名人传记

Think Positive And Feel Positive 积极的想法与豁达的心态 When youre in a stressful situation, are you confident or insecure? Do you react positively or negatively? 当你身处压力时,你是自信满满还是不知所措?是行动更积

发表于:2018-12-28 / 阅读(136) / 评论(0) 分类 初学者听力文摘精选

A New York City entrepreneur is seeking investors for his No Bark startup. With enough investment money, Ty Cobb says, he will be able to discover the melodies that, when played, will instantly quiet barking dogs. Because dogs hear sound frequencies

发表于:2018-12-31 / 阅读(187) / 评论(0) 分类 365个英语简短小故事

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(183) / 评论(0) 分类 60秒科学

补充: Backbone - A series of high-speed network connections through which other networks connect. Bandwidth - According to Webster's: a range within a band of wavelengths, frequencies, or energies

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 电信英语

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(221) / 评论(0) 分类 Scientific American(十二)月

homework: Is going to be a credit count Christmas this year, but as one /the market thats thriving perfume. Youve just seen a ad in the break, is the rich and famous already get up your nose? This Christmas theyll fill your senses as the perfume busi

发表于:2019-01-16 / 阅读(157) / 评论(0) 分类 英伦广角

Prince Charles has some similarities with Nicole Kidman. 查尔斯王子和妮可基德曼就有相似之处。 They have similar sound of eyes. 他们的眼睛听起来很像。 So you relate people that you wouldn't relate, 当你将一些毫无相关

发表于:2019-01-18 / 阅读(147) / 评论(0) 分类 TED演讲国际问题篇

A girl listening to the recording of Laurel on vocabulary.com and she heard Yanny. 一个女生在vocabulary.com上查Laurel这个词时,发现自己听到的是Yanny。 发到网上想不到网友也分成了两派。 It divided the internet. 它把

发表于:2019-01-22 / 阅读(147) / 评论(0) 分类 美国文化脱口秀

Can Men Handle Alcohol Better than Women? 男性酒量比女性好吗? Some men brag that they can handle alcohol better than women. Can there be some truth to that? 引导语:许多男性吹嘘说他们比女性更能掌握酒量。有事实能证

发表于:2019-01-26 / 阅读(145) / 评论(0) 分类 英语听力文摘 English Digest

Oh it's a long way down 这是一条漫漫路途 But if you don't look, you don't have to know it 但若你不去看自然不必知道 And I can be around 我会在旁接住你 To catch your fall if you're losing your grip 当你失去平衡 Can't yo

发表于:2019-02-01 / 阅读(165) / 评论(0) 分类 听歌学英语

今天我们要学的词是exclusion。Exclusion 意思是排除在外。The Boy Scouts of America will consider ending its policy of exclusion of gay leaders and scouts. 美国童子军将考虑取消禁止同性恋加入童子军或是担任童子军

发表于:2019-02-03 / 阅读(162) / 评论(0) 分类 英语单词荟萃

Science and technology 科学技术 Channelling heat 导热 Good conduct 优质传导 It may soon be possible to control heat flows with great precision 可能很快人们就有可能如臂使指地控制热量流动了 HEAT, as every schoolboy knows

发表于:2019-02-06 / 阅读(154) / 评论(0) 分类 经济学人科技系列

heart and soul 一心一意 ebb and flow 人世盛衰 cloak and dagger 秘密的行动 law and order 秩序 move heaven and earth 不遗余力 part and parcel 不可或缺 pomp and ceremony 盛典 rain or shine 不论如何 rank and file 大众 (figh

发表于:2019-02-06 / 阅读(165) / 评论(0) 分类 英文语法词汇

本期内容: A rise in global nationalism paired with a worldwide drop in oil prices has brought about significant shifts in the global economy over the past year. As a result of these developments, certain destinations that have long been some of

发表于:2019-02-13 / 阅读(128) / 评论(0) 分类 夏说英语新闻晨读

Science and technology 科学技术 Channelling heat 传递热量 Good conduct 良好的传导 It may soon be possible to control heat flows with great precision 有可能实现对热流的精确控制 HEAT, as every schoolboy knows, moves in three w

发表于:2019-02-17 / 阅读(155) / 评论(0) 分类 经济学人科技系列
学英语单词
acclimatised yeast
acoustooptical radiospectrometer
Antheriastraea
astronics (astrionics)
atmospheric backgro-und
bar sight
baritone saxophone
boiler breakdown
brass bolt
Carex hattoriana
carpooled
cementing bond
chlorinated polyvinylchloride (cpvc)
code coverage
computer hardwares
conversion gain
corner cube display
corrugated sheet glass
cuzco
economical load dispatching
electron acceptor
elongation cycle
equine virus abortion
factor of safety (f/s)
feast one's eyes on
fluidizing
Francis Drake
full information method
galen
GM general manager
groovester
Hamilton's Bawn
i-caried
ibisys
Integrated Drive Electronic
interedition
interest disbursement
intrenchments
irrelevant substance
isoartocarpin
kershner
krommer
look angle
loopback
Machado-Guerreiro reaction
mechanical management of respiration
minence
mod operator
movement index (slizynsky 1955)
nineteen hundred
nonoxalic
oates coast
over board out reach of boom
Papez
pennellii
perry-mason
plateau
proposed plant
pseudocyclophoria
queral
re-copying
regenerative deflection
resistance to search
reyceter
roof nuclei
run - time data
Salvia lancifolia
sample-hold
satellite gradiometry
scatomata
Scorpii
serraticus stridor
servomechanism compensation
shaft communication
shout with laughter
shuttle tension regulating screw
sleigh-ride
software trap
sole right
steam blinding
strain-aged steel
sycosis framboesia
tense logic language
thickening agents
thornberry
tris-methylcyclopentadienyl-neodymium
twigsome
twisting vibration
two hundred and five
two-circuit boiling water reactor
urep
uvala(ouvala)
vibration load
vitriol chamber process
water jet injector
Weather-ometer
width of formation
windmilling action of rotor
winter barley
withstand voltage of chopped lightning impulse
Yacurai
Zirin