声压传感器

ork Pressure Work pressure refers to the compelling force or influence that comes from one's work. Nowadays with the competition in the work field becoming more and more fierce (激烈), work pressure has become a serious problem for every person. It

发表于:2018-12-12 / 阅读(191) / 评论(0) 分类 英语四级作文范文

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(173) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

发表于:2018-12-24 / 阅读(193) / 评论(0) 分类 Scientific American(十一)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 2017年Scientific American(二)月

The air thins and they begin to lose the protective weight of the miles of air above them. The pressure is dropping, when you finally get to the stratosphere, and to the altitude we like to work at, it's only one one hundredth that of it's on the gro

发表于:2018-12-27 / 阅读(151) / 评论(0) 分类 探索与发现2014年

On airplanes, cabin pressure changes during takeoff and landing to help passengers breathe easy at high altitudes. These changes in air pressure may make adults ears feel a little funny, prompting a few yawns to equalize the pressure. But for babies,

发表于:2018-12-28 / 阅读(150) / 评论(0) 分类 初学者听力文摘精选

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(195) / 评论(0) 分类 Scientific American(四)月

Israel is warning the United States and other countries not to pressure it into reaching what it says could be a premature Palestinian peace agreement. Israel's chief negotiator says too much pressure could result in another Palestinian uprising and

发表于:2019-01-13 / 阅读(175) / 评论(0) 分类 VOA标准英语2008年(八月)

Hearing Aid Common in Europe Turns Up Volume in US More than 10 percent of Americans have some form of hearing loss. Even with a hearing aid, deciphering sounds in places like airports, theaters and places of worship can be tough. However, a not-so-n

发表于:2019-01-13 / 阅读(168) / 评论(0) 分类 VOA标准英语2011年(十二月)

DAVID GREENE, HOST: Both President Trump and Vice President Mike Pence will go to Dallas on Friday for the NRA's annual convention. On one hand, the president's presence shows that the NRA has staying power. But the organization has also faced fresh

发表于:2019-01-16 / 阅读(123) / 评论(0) 分类 2018年NPR美国国家公共电台5月

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(157) / 评论(0) 分类 TED演讲国际问题篇

HEALTH REPORT - Blood Pressure Drugs May Prevent Dry Eye Syndrome By Jerilyn Watson Broadcast: Wednesday, April 07, 2004 This is the VOA Special English Health Report. Many people around the world suf

发表于:2019-01-19 / 阅读(228) / 评论(0) 分类 健康与经济

The device is a tiny sensor, implanted through a catheter in the heart's pulmonary artery. The procedure takes just seven minutes. The patient passes a wand over his chest, collecting data on heart pressure. That data is sent electronically to the do

发表于:2019-02-02 / 阅读(160) / 评论(0) 分类 VOA标准英语2010年(六)月

Cat lovers of the world, rejoice! You finally have the chance to understand what your pet is saying thanks to a smart collar that can interpret feline meows and translate it into human speech. Aptly named Catterbox, the collar supposedly has a digita

发表于:2019-02-04 / 阅读(199) / 评论(0) 分类 实用英语

By Bill Rodgers Washington 10 July 2007 President Bush is facing mounting pressure to change his Iraq policy as the U.S. Senate begins debate on military spending priorities. The pressure is not just coming from opposition Democrats, but from some se

发表于:2019-02-09 / 阅读(233) / 评论(0) 分类 2007年VOA标准英语(七月)

The Pike River Mine Commission is still listening to evidence about why 29 men died at the mine last November. Each day, we hear about things that were not right at the mine. There were money problems. The mine was losing money and the men were under

发表于:2019-02-17 / 阅读(161) / 评论(0) 分类 新西兰英语

今天我们要学的词是peer pressure。 Peer, 是同伴,同龄人;peer pressure, 就是来自同伴的压力。 Teenagers tend to give in to peer pressure, 青少年很容易受同龄人的影响。 Peer pressure plays a part in youth drinkin

发表于:2019-02-18 / 阅读(169) / 评论(0) 分类 英语单词荟萃

If you've ever felt threatened walking home late at night, chances are you've phoned a loved one to make sure they know you're safe. 如果你深夜步行回家时感到害怕,你极有可能向你爱的人打电话,向他们报平安。 But maki

发表于:2019-02-18 / 阅读(155) / 评论(0) 分类 阅读空间

A 104 year-old woman was being interviewed by a reporter: And what do you think is the best thing about being 104? the reporter asked. She simply replied, No peer(窥视)pressure.

发表于:2019-02-18 / 阅读(186) / 评论(0) 分类 趣味英语

Snowflakes are small ice crystals. Snowflakes near the ir melting temperature can, through hand pressure, be made to fuse into a snowball by a process of melting and re-freezing. The snow yields to pressure gently and progressively and doesnt make so

发表于:2019-03-06 / 阅读(190) / 评论(0) 分类 英语时差8,16
学英语单词
arabesque de face
artistic binder
beecroft head
berust
beyond calculation
birka
Bjorkelangen
blister rust of white pine
brachiocephalic trunk
carry skip
cartridge-type
cast a spell over
charred pancake cup
come with me
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Cottrell, Frederick Gardner
countrify
D.A.V., DAV
Darkley
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distri-bution
elong
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engine cleansing agent
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erysipelas perstans
erythritan
euphemist
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explosion gas
fabricated vessel
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foamiest
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Gd-DOTA
geochemical self-organization
gerundgrinder
granpappies
hemorrhagin
high desity assembly
Hybrid ARM
initial ceremony
inweer
Jacob Epstein
kisir
knarls
lent an ear
lumbricines
Man.
marine diesel
maximum quantity acceptable
microcent
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moire
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morphine hydrochloride
multiperspektivisches
natural pollination
neqouba
non-propelled dredger
Oeschebüttel
off and
oil pressure control relay
Oldspeak
ordinary temperature thermistor
pallette
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paracelsians
play merry hell
pochoirs
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promargin
proper for the occasion
protection of distance
psychopathologic
putting forward
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rooey
rotation error
sarophorum palmicola
single-strand
sit on sth
Snellen chart
solvable lie ring
spin system
suspended signal
sword law
synchro generator
Tagalog language
tax expenditure
Texmelucan
thermometer scale
three-point refueling tanker
Twp., twp.
unascetic
upper level switching center
Uthai
variety deterioation
Wireless Display