【力学】自感振动[亦作 self-excitated vibration]

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Researchers at Ohio State University studied exercise-induced asthma among top athletes at the school. Ohio State football players practice earlier this year.

发表于:2018-12-07 / 阅读(181) / 评论(0) 分类 VOA慢速英语2007年(十)月

Lesson 88 trap 陷入 Six men have been trapped in a mine for seventeen hours. 6个人被困在矿井里已有17个小时了。 They were trapped in cave. 他们被困在山洞里。 Due to the heavy snow,they were trapped in the house in the mountai

发表于:2018-12-08 / 阅读(846) / 评论(0) 分类 新概念英语词汇随身听手册2

San Francisco If you*re going to San Francisco, be sure to wear some flowers in your hair. If you*re going to San Francisco, you*re gonna meet some gentle people there. For those who come to San Franc

发表于:2018-12-14 / 阅读(258) / 评论(0) 分类 英文歌曲第四辑

Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

发表于:2018-12-24 / 阅读(220) / 评论(0) 分类 Scientific American(九)月

人口越来越多,优秀人才也越来越多,应聘工作变得越来越难,竞争压力越来越大....... This is not a word for word transcript. Rob: Hello and welcome to 6 Minute English. I'm Rob and with me today is Natalie. Natalie: Hi

发表于:2018-12-27 / 阅读(189) / 评论(0) 分类 一起听英语

Today's podcast will be dedicated to the 'th'. English, being quite irregular at times, has two ways of pronouncing the combination of the t and the h. That may seem simple, but getting it right is a key to sounding like a native. I have met many peo

发表于:2019-01-01 / 阅读(176) / 评论(0) 分类 英语博客 A cup of English

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(214) / 评论(0) 分类 Scientific American(一)月

A Fish That 'Sings' Love Songs? This is the sound of a fish singing: Hmmmmmmmm. It is a male fish a plainfin midshipman, to be exact from the Pacific Ocean. He is singing, or humming, a love song to get female fish to come and visit the nest he built

发表于:2019-01-12 / 阅读(238) / 评论(0) 分类 2016年VOA慢速英语(十)月

Lesson Nineteen 听力部分 Dictation: Please prepare your paper and pen. There are really __________ for _____ wine ______-_______________ a good corkscrew, ____, _______________, __________ the ____ of _______. The ______________ that most America

发表于:2019-01-14 / 阅读(233) / 评论(0) 分类 王强口语 第二册

And so on. There is a little bit of a difference there that is worth just thinking about. 等等...但即便是有些许的不同,那也值得仔细想一想。 And I remember when I was 12 years old,and I started playing tympani and percussion, an

发表于:2019-01-18 / 阅读(191) / 评论(0) 分类 TED演讲国际问题篇

And we believe that these responses in higher-order areas are induced or become similar across listeners 我们认为,听众这些相似的大脑高层次区块反应, because of the meaning conveyed by the speaker, and not by words or sound. 是由

发表于:2019-01-18 / 阅读(183) / 评论(0) 分类 TED演讲科学篇

By Carol Pearson Washington 07 May 2008 The World Health Organization expects the number of women who smoke to triple over the next generation, if current trends continue. As a result, it expects more than 200 million women to die from tobacco induce

发表于:2019-01-19 / 阅读(186) / 评论(0) 分类 VOA标准英语2008年(五月)

Ways to smile 微笑的方式 Give and maybe don't receive. 付出,也许无需有所得 College is a perfect time to get involved in volunteering for a cause. 大学是个为了一个目标参加志愿活动的绝佳时间。 No matter what your p

发表于:2019-01-22 / 阅读(182) / 评论(0) 分类 英语听力广播—Listening

Pill May Change Attraction In a study in the journal Trends in Ecology and Evolution, researchers note that the birth control pill may change a woman's choice in whom she finds attractive. Cynthia Graber reports Some people like to think theres somet

发表于:2019-01-30 / 阅读(227) / 评论(0) 分类 60秒科学

We all know time is a construct, and right now, it's kept by the very precise tick of an international network of around 500 atomic clocks. 我们都知道时间是个复杂的概念。目前,世界上有一个由大约500台原子钟组成的网络,

发表于:2019-02-01 / 阅读(175) / 评论(0) 分类 阅读空间

让人无语的电脑失忆症 各种电子设备用久了,我们好像都习惯了打拼音、选汉字。真正要拿笔写字的时候就会出现提笔忘字的情况,有关专家把这种现象叫做电脑失写症。 你有电脑失写症吗?

发表于:2019-02-02 / 阅读(210) / 评论(0) 分类 实用英语

1. Cyber Sickness 晕屏症 Also called digital motion sickness, symptoms that range from headaches to woozy feelings can occur when you quickly scroll on your smart phone or watch action-packed video on your screen. 这种病也被称为数字晕车,

发表于:2019-02-03 / 阅读(1061) / 评论(0) 分类 阅读空间

Money Can't Buy It by Annie Lennox Money can't buy it... baby Sex can't buy it... baby Drugs can't buy it... baby You can't buy it... baby I believe that love alone might do these things for you I believe in love alone yeah yeah Take the power to set

发表于:2019-02-04 / 阅读(231) / 评论(0) 分类 好听的英文歌曲

Why Don't Snorers Wake Themselves Up? Anyone who's ever slept in the same room as a loud snorer knows how infuriating it is to have to suffer through all that noise while the offending party remains blissfully oblivious and asleep. Loud snorers can w

发表于:2019-02-04 / 阅读(181) / 评论(0) 分类 阅读空间

BEIJING, Sept. 26 (Xinhuanet) -- Young unmarried migrant women are facing a high risk of induced abortions in China and experts urged that they have better access to reproductive health education. Among the 8 to 10 million induced abortions performed

发表于:2019-02-07 / 阅读(186) / 评论(0) 分类 英语新闻
学英语单词
Adansonian
advance bill
air-season
apo-enzyme
arisaema lobatum engl.var. rothornianum engl.
auritate
Baselland
beswak
Bible-Christian
binarism
bonding sand
cantilever microbalance
capitulating
Charlieu
colored substance
common subexpression
converting enzyme
cysto-urethral anastomosis
damp proofing of ground
debriefs
die component
electron-dot notation
Entada
exclusible
force a smile
genus Grindelia
gravicembali
gravitational praspecting
gravity divider
helminths
hollow-tile floor
hydrogen outer cooling turbogenerator
i-q
ignition anode
independent regulatory commission
input-specificities
irregularly
isoamyl ethyl barbiturie acid
kolmogorov-smirnov statistics
lamina limitans posterior
legcuffs
liquid mercury lift
made a shift
marginal productivity theory of interest
maximum acceleration phase
memocides
mudirias
multiply-add
N-methylphenazonium methosulfate
nagpurs
no code aspect
non-qualifying person
nursery forest bed
odso
of-state
one time setting
optics of metal
optimum processing condition
org-men
packag
pale violet
pediments
piston clearance gauge
poularde
pressure sensor
protoloph
reactive fixing agent
rearrangement of input field
recorder players
regulator bolt
robotech
rosinyl
serial data form
shallow chest
shikker
sidpietersite
silencing unit
South Ndebele
spezzati
St-Alexis-des-Monts
St-Antonin
steel cutting
stigmatization
synchronous time division multiplexer
take someone under one's wing
take your ease
talcum(powder)
Taraxacum goloskokovii
tarsal plate
tasselblower
tonkatsu
toolboxes
torsion thermobalance
trap oxidation system
Triquet, L.
uterus biforis
vertimycin
waarnyng
waist-level
wall-lamp
white marble table screen
wire carrier