平均有效黏度

There are six characteristics of speech, all of which are vital to speak effectively. In this section we'll look at each of them separately. These speech characteristics are basically important to you

发表于:2018-11-28 / 阅读(154) / 评论(0) 分类 疯狂英语2001年

BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely

发表于:2018-11-28 / 阅读(196) / 评论(0) 分类 疯狂英语2001年

By Melinda Smith Washington 31 August 2007 Centuries ago doctors used hypnosis to help relieve the excruciating pain of surgery. It then fell out of favor with the introduction of anesthesia. Now as VOA's Melinda Smith reports, new studies show a hos

发表于:2018-12-16 / 阅读(126) / 评论(0) 分类 2007年VOA标准英语(八月)

1. drug company=pharmaceutical company 医药公司n. 2. promotion=marketing 营销n. 3. increase=escalate=rise=go up=grow 上升v. 4. research=study=survey=investigation 研究n. 5. work=be an effective way=be useful=help=achieve=succeed=have an eff

发表于:2018-12-18 / 阅读(68) / 评论(0) 分类 雅思英语

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(71) / 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(88) / 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(62) / 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(261) / 评论(0) 分类 医务英语

By Al Pessin Brussels 13 June 2007 U.S. Defense Secretary Robert Gates says the NATO alliance has demonstrated that it can be effective in Afghanistan in spite of continuing shortfalls in the number of troops member-nations are providing. VOA's Al Pe

发表于:2019-01-06 / 阅读(141) / 评论(0) 分类 2007年VOA标准英语(六月)

By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m

发表于:2019-01-09 / 阅读(103) / 评论(0) 分类 VOA标准英语2008年(五月)

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(137) / 评论(0) 分类 2007年VOA标准英语(五月)

GUY RAZ, HOST: I want to ask you about this really famous Talmudic notion - actually, it might be that in the Quran as well - but this idea that, you know, if you save a single life, then you have saved all of humanity. You know that one? PETER SINGE

发表于:2019-01-17 / 阅读(79) / 评论(0) 分类 2017年NPR美国国家公共电台5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(118) / 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(77) / 评论(0) 分类 2017年科学美国人(七)月

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(88) / 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(112) / 评论(0) 分类 2007年VOA标准英语(五月)

Sleep well, sleep better If sleep has plunged to the bottom of your to-do list, you're not alone. Although the National Sleep Foundation recommends getting seven to nine hours of sleep a night, the average American logs only six hours and 40 minutes.

发表于:2019-02-07 / 阅读(127) / 评论(0) 分类 阅读空间

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(111) / 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(115) / 评论(0) 分类 实用英语

题目:Should criminals be sent to a jail or let them do something else as punishment instead of sending into a jail? Why and give your reasons. 范文:There has long been controversy concerning the objectives of the justice system. Sending crimi

发表于:2019-02-19 / 阅读(386) / 评论(0) 分类 雅思英语
学英语单词
747s
acknowledgements
acquaintance principle
adiabatic saturation pressure
aerial switching
all a-growing and a-blowing
Amazonianist
androteston-M
angiopancreatitis
armeo
babysiting
bengwine
body throw
bragg cavity
business measurement
carbolmethyl violet
catch someone bending off guard
catch yield
Catholic Reaction Force
cattle-rancher
ceratolithus cristatus
charlotta
chase-work
clip wound
cloud agent
co-mutagen
Coketon
commercial off the shelf
cubicle switchgear and controlgear
cul-de-sacs
cytosolic
dualistic terminologies
embedded Markov chain
empirical econometrics
Endozodin
enrolee
ergotamines
fishing reef
fission-fungus parasitic disease
fortunellas
Forward arrow
gens du monde
genus epiphyllums
germlings
glycosmicine
grade line
harmonic generator
Hasenweiler
heavy-bodied
hemicastrates
Hesperorthis
immediate-needs
insurrectioner
itterance
jet aircraft
juvenile granite
khatna
Leif, Ericsson
longs wing in residential construction
Luruaco
maintenance period
majorons
massculture
methyl green-pyronin staining
miocamycin
molders blacking bag
Myxothallophyta
Nachiki
Naples garlic
natural inhibitor
neck up
nonharvestable
not reentrant
oil-tank ship
radix ipomoeae
receiver alignment
recirculation of air
redemption public loan
ride-way
Russell mixture
sampled optical fiber bragg gratings
sarcoids
sodium magnesium sulfate
sphenoidal fissure
statistical petrology
stupidest
sustained wind
Sutherland, Joan
syphilographer
tank length
time distance
to a certian extent
toriconical head
track magnet
trade wind desert
tree editing problem
true-to-shape
tube protector
Warkworth
wind-blown soil
XLink