可见粘度,表观粘度

For 40 years, Paul Karason was a fair skin son of the American Northwest, freckles and reddish-blond hair. Like most people who grow older, Pauls hair turned white. But how does he explain this? What was that Aha moment were you think, you know, my

发表于:2018-12-11 / 阅读(179) / 评论(0) 分类 访谈录2008

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(125) / 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(164) / 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(149) / 评论(0) 分类 胡敏托福词汇记单词

-Sheldon:Worst renaissance fair ever. renaissance:文艺复兴 fair:集市,集会 史上最逊的文艺复兴集会。 -Leonard:Please let it go, Sheldon. 别再墨迹了Sheldon。 -Sheldon:It was rife with historical inaccuracies. be rif

发表于:2019-01-01 / 阅读(217) / 评论(0) 分类 生活大爆炸第二季

DEVELOPMENT REPORT - Aid Group Designs System to Make Dirty Water Safe to Drink By Jill Moss Broadcast: Monday, October 17, 2005 This is Steve Ember with the VOA Special English Development Report. Ea

发表于:2019-01-02 / 阅读(146) / 评论(0) 分类 农业与发展

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(350) / 评论(0) 分类 医务英语

Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of

发表于:2019-01-04 / 阅读(194) / 评论(0) 分类 VOA2003(上)-社会广角

This is the VOA Special English Development Report. Jeffrey Schwarz coordinates the water filter project for North America from the Carnegie Library Pot Shop, adapting technology developed in Central America during Hurricane Mitch in 1998 The Braddo

发表于:2019-01-11 / 阅读(162) / 评论(0) 分类 VOA慢速英语2009年(六)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(215) / 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(202) / 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(145) / 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(174) / 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(175) / 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(178) / 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(195) / 评论(0) 分类 实用英语
学英语单词
a crime against humanity
active attitude control system
advance speed
aggry
angle of list
anna mary robertson mosess
annulus cruralis
as cast structure
axial air-gap reluctance motor
be quick to do
bicyclopentadiene dioxide polyol ether resin
bismuth subchloride
bitter-brackish water desalination
breast anchor
CCD image sequential switcher
closed loop policy
communalising
conderis shirozui
congenital
current-controlled oscillator
customer engineer diskette
descending sequence
dial-up services
Edtac
EIL (error in label)
eisteddfodau
emerize
Emperor of Rome
family Entomophthoraceae
flexibilization
grab ahold of
graphinos
hard-surface mask
high strength alloy steel shackle
hydraulic cushion guardrail
hydrodiascope
inner register
institutionary
lachin
ladyfish
lecture-room
made money
make an invasion upon
manzy
marsformoxid
meat infusion bouillon
meat loaf
meat mixer
megacanthopore
Meliosma subverticillaris
methanobactins
Mitchell's hopping mouse
molar heat of vaporization
N-trifluoroacetyl
Nyakakiri
organic bipolarity
painter's brush
penny wheep
Petit truss
physiologic dwarf
Pippu
prelateral plate
pressure sensitivity of microphone
propre vice
pteleorrhine
reflection-on-action
refractory patching cement
repairman
retiarius
ritzi
rocks you
Roger I
Salsola passerina
secondary compartment line
seed stem
self retaining catheter
self-maintained push-button
serial by bit
Sirrah, Nafūd as
socialist leglity
somagrebove
stannous fluoboric acid
Stephens, Alexander Hamilton
stillinger
subcapsular sinuses
suspend production
tabless
terpstra
thin layer electrophoresis
tidal double ebb
Tiffeneau conversion
treeshrews
trelfords
underwounds
unit equipment record
United States of America Standards Institute
valedictory speaker
valerienic acid
variable length word symbolic assembly system
voerflow alarm
worthlesser
zdj