比质量流速

BCF(Boot Catalog File,启动目录文件) BIF(Boot Image File,启动映像文件) CDR(CD Recordable,可记录光盘) CD-ROM/XA(CD-ROM extended Architecture,唯读光盘增强形架构) CDRW(CD-Rewritable,可重复刻录光盘) CLV(Constant

发表于:2018-12-18 / 阅读(235) / 评论(0) 分类 英文语法词汇

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: reduced forms in spoken American English. RS: We're talking about forms like whaddaya -- meaning what do you, as in whaddaya say? Whaddaya Say? is also the title of a popular teac

发表于:2018-12-30 / 阅读(125) / 评论(0) 分类 词汇大师(Wordmaster)

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(401) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

One hundred years ago today, September (the) 27th, 1905, a physics paper was dropped into the mail, addressed to a German journal called AT. The paper was penned by a 26-year-old Swiss patent clerk with dark curly hair years before he sprouted that s

发表于:2019-01-08 / 阅读(213) / 评论(0) 分类 2005年NPR美国国家公共电台

Imagine the disc of our galaxy, if you just took a disc of stars and put it there, gravity would tend to make this disc collapse/ into itself and it would immediately just fall together. That is not what we see with the galaxy. Whats actually going o

发表于:2019-01-22 / 阅读(132) / 评论(0) 分类 自然百科2011年

The explosion generated a shockwave so massive it wasdetected over 15,000 kilometres away. The low-frequency waves were picked up bymonitoring stations. So it is kind of like a listening network around theworld. Thats right. Theyre not set up for fir

发表于:2019-01-23 / 阅读(109) / 评论(0) 分类 探索与发现2014年

Broadcast on Coast to Coast: January 16, 2003 AA: I'm Avi Arditti with Rosanne Skirble and this week on Wordmaster, English teacher Lida Baker explains some of the shortcuts that work their way into conversational American speech. RS: They're called

发表于:2019-01-25 / 阅读(236) / 评论(0) 分类 词汇大师(Wordmaster)

All right then! Imagine this weapon to be ten times stronger and the animal ten times more powerful, launch it at a speed of twenty miles per hour, multiply its mass times its velocity, and you get just the collision we need to cause the specified ca

发表于:2019-01-27 / 阅读(118) / 评论(0) 分类 《海底两万里》中英双语有声读物

By Barbara Schoetzau New York 20 April 2008 Pope Benedict XVI ended his six-day visit to the United States with a jubilant mass at the 57,000-seat Yankee Stadium. From VOA's New York Bureau, correspondent Barbara Schoetzau reports the leader of the w

发表于:2019-01-31 / 阅读(157) / 评论(0) 分类 VOA常速英语2008年(四月)

Nowadays, people's requirings for

发表于:2019-02-01 / 阅读(206) / 评论(0) 分类 奥运英语

科学家们证明,那句古老的格言爱是盲目的有一定的道理。 They have found that feelings of love lead to a suppression of activity in the areas of the brain controlling critical thought. 他们发现爱的感觉会抑制大脑控制

发表于:2019-02-04 / 阅读(132) / 评论(0) 分类 阅读空间

WASHINGTON, Feb. 19 (Xinhua) -- NBA's Philadelphia 76ers announced Tuesday that their guard Jason Richardson has undergone successful knee surgery. The 12-year NBA veteran, who has not played for a month and will be sidelined for the rest of the seas

发表于:2019-02-04 / 阅读(172) / 评论(0) 分类 英语新闻

The oil-producing OPEC cartel has for the fourth straight month trimmed its estimate of world demand for oil for the rest of this year and in 2012. The 12-nation Organization of the Petroleum Exporting Countries said Tuesday that the demand for oil w

发表于:2019-02-06 / 阅读(156) / 评论(0) 分类 英语新闻

WASHINGTON, Nov. 22 (Xinhua) -- Long-term coffee consumption may be associated with a reduced risk for endometrial cancer, according to a study published online Tuesday in Cancer Epidemiology, Biomarkers Prevention, a journal of the American Associat

发表于:2019-02-08 / 阅读(138) / 评论(0) 分类 英语新闻

China promises to promote sustainable development SAN JOSE, Oct. 25 (Xinhua) -- A Chinese official Thursday expressed here China's willingness and determination to work with the international community to promote sustainable development. Speaking at

发表于:2019-02-11 / 阅读(150) / 评论(0) 分类 英语新闻

The Power Of Smile 微笑的力量 Laughter is the shortest distance between two people. Victor Borge 笑是两个人之间最短的距离。维克托.伯盖 1.They have reduced stress. 他们压力较小。 2.They have lower chances of heart disease

发表于:2019-02-12 / 阅读(131) / 评论(0) 分类 卡卡课堂早餐英语

Whilst waiting for dinner at Youngs inn, at the confluence of Salt River with the Ohio, 在当地青年旅馆就餐前的闲暇期间,在盐湖与俄亥俄州一处接壤地带, I saw, at my leisure, immense legions still going by, with a front r

发表于:2019-02-13 / 阅读(128) / 评论(0) 分类 美国语文第五册

Mankind, says a Chinese manuscript, which my friend M. was obliging enough to read and explain to me, 我的朋友老麦,曾经好心地为我朗读一本中国古代手抄书,并辅以解释, for the first seventy thousand ages ate their meat

发表于:2019-02-13 / 阅读(133) / 评论(0) 分类 美国语文第五册

CLEVELAND, Jan. 9 (Xinhua) -- Cleveland Cavaliers' Brazilian center Anderson Varejao will be sidelined in the next two months after it was revealed he needs surgery on his right knee. Varejao suffered the injury during the Cavaliers' 113-99 defeat to

发表于:2019-02-18 / 阅读(180) / 评论(0) 分类 英语新闻

For / f?:(r)/ Reduce to /f?(r)/ Is that for me? It's for my friend. I'll wait for you for 2 minutes. A table for four, please. To /tu:/ Reduce to /t?/ I have to go now. See you later. He went to work. Reduced to /d?/ I go to work. I told you to leave

发表于:2019-02-27 / 阅读(185) / 评论(0) 分类 每天三分钟学英语
学英语单词
4gl (abbreviation)
alkaline phosphtase
Anglicanisms
approach gate
aptychella brevinervis
Ayweri Cwero
babu English
balloon juice
bicentennial
binaural disc
birdbrained
biventrous
bodily pain
bundle of relevant features
but little
calabarine
Cameroon fever
cardizems
chawcer
cih
clareous
constant-fraction discriminator
cup-brachial
cybergirl
daijosais
debounce circuit
default notice
diplogenotypic sexdetermination
diversifiers
Dowex
dyesight
gahira
genaro
glacier tongue
Gluck Seamount
graphic statics
heterogeneous natural uranium reactor
horizontal transit circle
hoshana
hosohamudama abnormalis
if the occasion should arise
iics
iliotrochanteric ligament
indirect improvements of soils
insulin hypertrophy
interleukin-1 (il-1)
ion-adsorption resin column
johnnypat
Kanglemycin-A
knockout punches
lay bare
lifelong learning
line flow
line unit correction
Liri, Fiume
mandarining
masclechon
megass
mepiperphenidol
misidentified
morad
Moschcowitz's disease
Mālsiras
Nemocardium
nuclear bag fiber
Nāsrābād
onocentaur
operatory
page boy
palmatus
phazed
plungertype dust gun
posterior nasal nerve
potassium hydrogen sulfate
publication form
pulley motor
quoi hai
redox couple
reliability audit
rope-light
school board
sea exploration vessel
second-degree relatives
self-schema
sleeveless
smoke vapour meter
St-Puy
stickup men
stormswepts
superfluxes
tade-down
telepresence surgery
the licks
Tongoloa
trailing-edge strip
unconvertible security
uniform impedance
values-driven
valuvlitis
ventrilocution
whizzoes
yocto-metres