流体黏性

The situation is still very fluid. There remains degree of uncertainty and there are still regime elements who pose a threat. But this much is clear: The Gaddafi regime is coming to an end, and the future of Libya is in the hands of its people. In ju

发表于:2018-12-02 / 阅读(166) / 评论(0) 分类 CNN2011年(八)月

Do you need eight glasses of water everyday? Tring to do the right thing by drinking eight full glasses of water everyday may do little more than making a person run to the bathroom, a researcher said. Newspaper articles, health and beauty magazines

发表于:2018-12-05 / 阅读(212) / 评论(0) 分类 有声杂志阅读

Now if you use the right kind of atoms and you get them cold enough, something truly bizarre happens. 如果使用正确的原子,并让其足够冷却,奇迹就会发生。 It's no longer a solid, a liquid or a gas. It enters a new state of matt

发表于:2018-12-19 / 阅读(153) / 评论(0) 分类 TED演讲教育篇

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(二)月

232. A vocation for the vigorous 充满活力者的职业 vigor-vocational The vigor and vitality that one must possess to be a doctor is amazing. Perhaps many have the vision, but only the truly vigorous can handle such a vocation. Virtuosity is a m

发表于:2018-12-30 / 阅读(184) / 评论(0) 分类 胡敏托福词汇记单词

Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

发表于:2019-01-03 / 阅读(391) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(223) / 评论(0) 分类 Scientific American(十一)月

By Mil Arcega Washington 25 May 2007 Technology and high gasoline prices are helping to coax hard-to-extract oil from California's oil fields. Production at some of the state's older oil fields is expected to dry up in about 25 years, but Chevron say

发表于:2019-01-13 / 阅读(252) / 评论(0) 分类 2007年VOA标准英语(五月)

You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high accelerations? 也许你认为青蛙能捕食昆虫是由于舌头很粘的缘故。但

发表于:2019-01-20 / 阅读(242) / 评论(0) 分类 2017年Scientific American(三)月

Frog Spit Behaves Like Bug-Catching Ketchup 青蛙唾液竟然类似番茄酱? You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high acc

发表于:2019-01-20 / 阅读(191) / 评论(0) 分类 2017年科学美国人(七)月

Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

发表于:2019-01-24 / 阅读(302) / 评论(0) 分类 英语语言学习

22 防止口蹄疫的传播 DATE=3-17-01 TITLE=IN THE NEWS #472 - Foot-and-Mouth (1)Disease BYLINE=George Grow (Start at 1'08

发表于:2019-01-30 / 阅读(276) / 评论(0) 分类 科技之光

flow vi.流,流动 flower n.花,花卉;开花 flu n.流行性感冒 fluctuate vi.波动 vt.使波动 fluent a.流利的,流畅的 fluid n.流体,液体 flush n.兴奋,脸红;发烧 flute

发表于:2019-02-01 / 阅读(452) / 评论(0) 分类 考研英语

A AAMA American Automobile Manufacturers Association 美国汽车制造商协会 ACEA Association des Constructers Europens dAutomobiles 欧洲汽车制造商协会 ACS American Chemical Society 美国化学学会 AFR Air/Fuel Ratio 空/燃比 AFV Alternative Fuel Vehicle 代用

发表于:2019-02-03 / 阅读(214) / 评论(0) 分类 英文语法词汇

By Greg Flakus Houston, Texas 17 May 2007 High energy prices, coupled with rising demand, are putting pressure on the oil and gas industry worldwide. Many companies are finding and developing new, underwater fields. More than 67,000 representatives o

发表于:2019-02-05 / 阅读(199) / 评论(0) 分类 2007年VOA标准英语(五月)

Agriculture Report - Tomato's Genetic Secrets Are Peeled Away This is the VOA Special English Agriculture Report. Scientists have made a genetic map of the tomato. Tomatoes are second only to potatoes as the world's most valuable vegetable crop. Eigh

发表于:2019-02-08 / 阅读(211) / 评论(0) 分类 2012年VOA慢速英语(七)月

被动语态的译法 英语中被动语态的使用范围极为广泛, 尤其是在科技英语中, 被动语态几乎随处可见, 凡是在不必、不愿说出或不知道主动者的情况下均可使用被动语态,因此, 掌握被动语态的翻

发表于:2019-02-18 / 阅读(237) / 评论(0) 分类 实用英语

后角 clearance angle 龙门刨削 planing 主轴 spindle 主轴箱 headstock 卡盘 chuck 加工中心 machining center 车刀 lathe tool 车床 lathe 钻削 镗削 bore 车削 turning 磨床 grinder 基准 benchmark 钳工 locksmith 锻 forge 压模

发表于:2019-02-18 / 阅读(257) / 评论(0) 分类 实用英语

Can it really be sixty-two years ago that I first saw you? 我们初次相遇,难道真的是六十二年前吗? It is truly a lifetime, I know. But as I gaze into your eyes now, it seems like only yesterday that I first saw you, in that small ca

发表于:2019-02-19 / 阅读(199) / 评论(0) 分类 英语美文

My friend Sarah is a vet. I have asked her to tell us about a typical days work. I am a veterinary surgeon and work for a charity called PDSA, which stands for the Peoples Dispensary for Sick Animals. We treat pets belonging to people who are on stat

发表于:2019-03-01 / 阅读(241) / 评论(0) 分类 听播客学英语
学英语单词
aktas
american standards code information interchange (ascii)
ammonitiferous
antiophthalmic
aspiration column
autoreducibility
autumn dryness disease
avian influenza virus
beta-radioactive substance
buying clerk
bwl
caput ossis capitati
classified securities
colysis wrightii
computing systems
condensate flow
corporate-ownership
Crandall, Prudence
delayed clamper
diatom test
drog
drug-induced hemolytic anemia
dynagraph
Elcaset
error ellipse of position
fetalometer
fleete
garabedian
gate bar
genus Helotium
glassed steel pressure vessel
glyceritum bismuthi
glycosine
guiding bar
hair's breadth
half-cocks
Hamites
high-forest compartment system
Hiptage
hook belt fastener
hydroxyl terminated polybutadiene propellant
hypogonadotropism
incumberment
indigopurpurin
IQs
Jones plug
Julian day
jumpiest
Lathyrus nissolia
lepicena
light duty
Liphistiomorphae
Lofsen
LVPWT
make a name for oneself
Marutea Atoll
mathematical analysis
meta-language
mishna
musculus cornealis
Musāpur
mutually synchronized
nuclear reacting
office automation model
oryzastrobin
overlapping region
papillary cystadenocarcinoma
pembrook
pottstown
primary guard vessel system
registered sign
relaxation balance
removing heat from the lung to relieve cough
respiratory percussion
reticular struction
retractations
rightsizes
San Jacinto County
sandmark
scapular cartilage
ship manoeuvre
shortage risks
signal search light
silica pan
sitdowner
soapolallie
soil self purification
spiral cloud band
spiritings
suction opening
t tests
take the wrong sow by the ear
Taringuiti
test for K value of complete car
tide curve
tongue-twisters
trolley icing
Tschernogowbou's test
underwater appendage
variables analysis
Venetians
wall pellitory