狄拉克测度

For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The

发表于:2018-12-08 / 阅读(60) / 评论(0) 分类 2018年VOA慢速英语(十一)月

This can be used to practice Count and Non-count nouns in context. When talking about non-count items (such as sugar, water, toothpaste, etc.), it is common to use measure words to indicate how much of the substance you are referring to. Below are a

发表于:2018-12-17 / 阅读(113) / 评论(0) 分类 英语词组对话

This another American story is told to you by the people who lived it. StoryCorps comes to you every Friday. Today we will learn about Thurman Weaver. Mr. Weaver was a janitor, chauffeur and also a father. A few weeks ago, Thurman's son, William Wea

发表于:2018-12-19 / 阅读(107) / 评论(0) 分类 2007年NPR美国国家公共电台

[ti:] [ar:] [al:] [by:] [00:01.19] Love Without Measure 无条件的爱 [00:05.89]Freda Bright says,Only in opera do people die of love. [00:11.69]Its true. You really cant love somebody to death. [00:16.17]Ive known people to die from no love, [00:1

发表于:2018-12-26 / 阅读(87) / 评论(0) 分类 温馨夜读

1. barometer /bəˈrɔmitə/ -- instrument for measuring atmospheric pressure as an aid in determining probable weather changes When the barometer indicates a rapid drop in air pressure, it means a storm is coming. 气压计显示出气压快速下降时

发表于:2018-12-30 / 阅读(87) / 评论(0) 分类 突破英文词汇

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(106) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 measure [ 5meVE ] Please measure me fo

发表于:2018-12-30 / 阅读(144) / 评论(0) 分类 每日攻克5词

How do you measure your own success? 你如何衡量自己的成功? How much satisfaction I get from doing the job and how much I contribute to the success of the organization I work for. 成功与否是以我能从工作中得到多少满足感和我

发表于:2018-12-31 / 阅读(113) / 评论(0) 分类 必背英文面试口语

Love without measure Freda Bright says,Only in opera do people die for love. It's true. You really can't love somebody to death. I've known people to die from no love, but I've never known anyone to be loved to death. We just can't love one another e

发表于:2019-01-02 / 阅读(55) / 评论(0) 分类 每天一点英文

Each year, millions of students complete their study programs at the colleges and universities across the United States. The new graduates receive an official piece of paper from their schools. This paper is known as their degree. It states what kind

发表于:2019-01-02 / 阅读(135) / 评论(0) 分类 2017年VOA慢速英语(四)月

By Dan Robinson Capitol Hill 25 September 2007 The U.S. House of Representatives has approved legislation to strengthen economic sanctions against Iran over its support for terrorist groups and refusal to halt uranium enrichment. VOA's Dan Robinson

发表于:2019-01-13 / 阅读(146) / 评论(0) 分类 2007年VOA标准英语(九月)

By Deborah Tate Washington 20 September 2007 The U.S. Senate has rejected, by a 28 to 70 vote, a Democratic-sponsored measure to withdraw troops from Iraq and cut funding for the war. VOA's Deborah Tate reports from Capitol Hill. The measure, propose

发表于:2019-01-16 / 阅读(107) / 评论(0) 分类 2007年VOA标准英语(九月)

Science and Technology Fundamental physics Antimatter of fact 科技 基础物理 反物质研究突飞猛进 Researchers at CERN have held on to anti-atoms for a full quarter of an hour 欧洲核子研究中心的科研人员让反原子颗粒存在时

发表于:2019-01-26 / 阅读(57) / 评论(0) 分类 经济学人科技系列

Grammar Girl here. Today's topic is units of measurethose words and symbols that come after numbers. This first point might seem self-evident: you put a space between the number and the unit of measure. Even though it seems obvious, I'm telling you b

发表于:2019-01-30 / 阅读(82) / 评论(0) 分类 英语语法 Grammar Girl

By Dan Robinson Capitol Hill 16 October 2007 The U.S. House of Representatives has overwhelmingly (395 to 21) approved a resolution crafted by majority Democrats criticizing the State Department for withholding information on corruption in the Iraqi

发表于:2019-01-31 / 阅读(54) / 评论(0) 分类 2007年VOA常速英语(十月)

By Deborah Tate Washington 20 September 2007 Legislation to regulate U.S. troop deployment cycles in Iraq was blocked in the U.S. Senate late Wednesday by Republican opponents who argued the measure could undermine the war effort. The action was a bl

发表于:2019-01-31 / 阅读(107) / 评论(0) 分类 2007年VOA标准英语(九月)

By Dan Robinson Capitol Hill 11 October 2007 The speaker of the House of Representatives, Nancy Pelosi, says a resolution approved by a House committee this week characterizing the World War I-era killings of tens of thousands of Armenians by Ottoman

发表于:2019-02-03 / 阅读(78) / 评论(0) 分类 2007年VOA常速英语(十月)

By Dan Robinson Capitol Hill 14 November 2007 On Capitol Hill, another fierce debate is underway about the war in Iraq, as the Democratic-controlled House of Representatives considers a measure to provide $50 billion in short-term funding for U.S. mi

发表于:2019-02-11 / 阅读(212) / 评论(0) 分类 VOA常速英语2007年(十一月)

4 Ways to Measure Your Standard of Living Standard of living should not equate to amount of spending. When I sat down to write an article on the countries with the highest standard of living, I thought it would be easy. But, how do you define standar

发表于:2019-02-18 / 阅读(137) / 评论(0) 分类 阅读空间

By Dan Robinson Capitol Hill 14 March 2008 The U.S. House of Representatives has approved a Democrat-crafted foreign intelligence surveillance law that contains provisions strongly opposed by President Bush. VOA's Dan Robinson reports from Capitol Hi

发表于:2019-02-20 / 阅读(161) / 评论(0) 分类 VOA标准英语2008年(三月)
学英语单词
advection
airline pilot
alexs
aphaenogaster takahashii
armour-piercing
atharva-vedas
auxetophones
bend before sb
biological sampling
buzz groups
Catalanism
Chlorogenicacid
clackers
classification of fire hazards
common tobaccoes
computing error
corporate strategy
degree of metameris
development and progeny factors
diver methol
eczema subacutum
effulge
empirical school of management
equivalent sectional area
fathers of the submarine
fawnlike
fee-shifting
fetal blood group
foramina palatina majora
free working stuff
general net theory
glass harpists
government project
halevi
hardiness
heating of valve
hidalgoite
Himi
home truth
hyperhydrates
imperour
impinger injector
Incisurae cartilaginis meatus acustici
interlamellar seta
ion acoustic waves
Jungermanniales
kurile islands
lamb's-foot
linear clavate
lumpenproletarian
mammana
marsh bank
Melle process
Michelson microinterferometer
microclinization
molecular archeology
Mukeru
multilamellated
noise voltage generator
object-oriented programing languages
operation flow chart
oroclinal
partly skim milk cheese
parts common
payment-software
penumbrazone
pergastritis
phenenyl
plench
Plica cecalis vascularis
priscas
pro-choice faction
prosthodontists
pure horsepower
reversible adiabatic expansion
rippling device
roller bearing lubrication
satirial
seahs
semi-independent state
shulhan arukh
sloppy seconds
source program format
spherical crucible
standard measuring signal
stereo tape recorder
subminimax
sympathized
synosteotic
T-tepa
taeniae medullaris
talentlessd
talking page
thread-lace-scoriae
time-sharing system editing package
to come under attack
type localities
underground prospecting survey
unified driver
water-compressibility
watershed-scale
zero potential point