高粘度压裂液

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(205) / 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(144) / 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(188) / 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(174) / 评论(0) 分类 胡敏托福词汇记单词

What is fracking? It is a way of getting gas or oil from inside rock, deep underground. Mining companies break the rock using water. This week, the Commissioner for the Environment gave a report on fracking in New Zealand. She said that the mining co

发表于:2018-12-31 / 阅读(179) / 评论(0) 分类 新西兰英语

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(385) / 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(214) / 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(244) / 评论(0) 分类 2007年VOA标准英语(五月)

Technology Developed in Texas Expands Natural Gas Production LEAM Drilling Systems, in Conroe, Texas, runs its trucks on compressed natural gas, or CNG. LEAM Vice President Scott Bradley said cheap natural gas makes the company's 18 CNG trucks a good

发表于:2019-01-13 / 阅读(165) / 评论(0) 分类 VOA标准英语2012年(六月)

Study: No Evidence Hydraulic Fracturing Pollutes Water A new study finds no evidence that the controversial practice to extract natural gas known as hydraulic fracturing is contaminating ground water. The report, Separating Fact from Fiction in Shale

发表于:2019-01-14 / 阅读(229) / 评论(0) 分类 VOA标准英语2012年(二月)

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(230) / 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(176) / 评论(0) 分类 2017年科学美国人(七)月

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(205) / 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(193) / 评论(0) 分类 2007年VOA标准英语(五月)

RIO DE JANEIRO, May 21 (Xinhua) -- Cleveland Cavaliers center Anderson Varejao says he is over his injury problems and ready to lead Brazil's quest for gold in the London Olympics men's basketball tournament. Having been one of the NBA's star perform

发表于:2019-02-07 / 阅读(203) / 评论(0) 分类 英语新闻

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(200) / 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(228) / 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(186) / 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(231) / 评论(0) 分类 听播客学英语
学英语单词
AEEC
air illness
alfereces
alluvial valley
amido linkage
argentaria
asymptotically equal function
average quantity
axiopodia
bacterial pigmentation
basic group distribution frame
blast quantity and blast pressure tester of cupola
blue tulip
bluish red
commonplaces
computer expert
continuity series
cost-minimizing
doctor blades
elk leather
epoxydihydrocaryophyllin
feuer
fissure cavity
flosse
foodophiles
Fort Nelson
Fourier analyser
French parfait
frondiferous
Gaspar, Selat
gear shift lever spring
gleason
graph follwer
hanspard
home information system
hypnum calcicolum
inference of law
irrigating spoon
irrigation norm
just my luck
Karapiro
kickxia rubber
kilometers of road operated
Lauegram
lenitiveness
like a bull at a gate
lipscombite
liquid miscibility gap
luxury expenditure
maackii
malacopterous
Maniot
midskilled
monocotyledonous tree
multipolar division
never make two bites of a cherry
nonperiphrastic
not care a rap
nuthacker
ophiophthalmus
Oteševo
pastelike
pictographic numeral
plutonists
pocketmoney
poggled
polydecamethylene adipate
polyrods
portable wattmeter
pressure-sensitivity characteristic
pulsed analog circuit
reductible Markov chain
rubbing wear
rx (reactor)
settle someone's hash for him
shag rug
sheepshead porgies
sickle
side of piston ring
signal halliard bend
signal source
single ion monitoring
slavick
slotted grub screw
specialities
stroke milling
summary of material received
surface and dimension inspection
surge of reciprocating pump
system of public service
telex switchboard
the PPI
Three-dimensional fin profiles
tragedy of the commons
troizen
tuning antenna
twist selvedge
vein deposit
Villafranca de Córdoba
voltage between phase wire and ground
water-weed
whackages