转动阻力导数

First, there are those words ( with which we become familiar in ordinary conversation) , which we learn , that is to say, from the members of our own family and from our friends, and which we should

发表于:2018-12-01 / 阅读(125) / 评论(0) 分类 自考英语(一)78讲

This is the VOA Special English Economics Report. Early estimates show that the United States economy shrank by three-tenths of one percent from July through September. Economists had predicted a five-tenths drop. But Thursday's report from the Comm

发表于:2018-12-07 / 阅读(81) / 评论(0) 分类 VOA慢速英语2008(十)月

World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron

发表于:2018-12-08 / 阅读(76) / 评论(0) 分类 VOA标准英语2015年(十二月)

雅思听力场景词汇:化学词汇 在雅思听力考试场景中,化学相关的场景的词汇较为生涩,平时生活中可能也运用得比较少,以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle

发表于:2018-12-19 / 阅读(127) / 评论(0) 分类 雅思英语

The New Music The new music was built out of materials already in existence: blues, rock'n'roll, folk music. But although the forms remained, something completely new and original was made out of thes

发表于:2018-12-31 / 阅读(76) / 评论(0) 分类 有声英文阅读

[00:03.81]bond fund :债券型基金 [00:05.87]closed-end fund :封闭型 [00:08.07]derivative :n.衍生商品 [00:09.95]equity fund :股票型基金 [00:11.96]fund manager :基金经理人 [00:13.99]futures :n.期货 [00:15.93]hedge fund :避险基金

发表于:2018-12-31 / 阅读(169) / 评论(0) 分类 商务英语分类核心1000词汇

Raj: I hate trains. 我讨厌火车。 -Sheldon: Don't be ridiculous, you love trains. ridiculous: 荒谬的,可笑的 少胡说八道,你喜欢火车的。 -Raj: Yes, I do. Come on. See you later, Leonard. 好吧,是的来吧,回头见,Leo

发表于:2019-01-01 / 阅读(91) / 评论(0) 分类 生活大爆炸第二季

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(132) / 评论(0) 分类 VOA标准英语2008年(九月)

第二节 性状 许多药品说明书的第一项是Description(性状),其原意是叙述、描写,在药品说明书及药典中一般都译为性状,其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 医学英语

Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi

发表于:2019-01-13 / 阅读(78) / 评论(0) 分类 VOA标准英语2012年(一月)

Synthetic Drug Problematic for US Authorities Augusta County, Virginia, is a rural county in the Blue Ridge Mountains, two and a half hours southwest of Washington. It has a big problem. Sheriff Randy Fisher says Augusta County was once known as the

发表于:2019-01-13 / 阅读(168) / 评论(0) 分类 VOA标准英语2012年(六月)

Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2010年(五)月

Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol

发表于:2019-01-19 / 阅读(142) / 评论(0) 分类 2015CRI中国国际广播电台

It Can't Happen Here by Sinclair Lewis Chapter 10 While I hate befogging my pages with scientific technicalities and even neologies, I feel constrained to say here that the most elementary perusal of the Economy of Abundance would convince any intell

发表于:2019-01-26 / 阅读(190) / 评论(0) 分类 有声英语文学名著

Science and Technology Prevention of cancer Wonder drug 科技 预防癌症 特效药 Aspirin continues to amaze 阿司匹林让人吃惊的另一面 FOR thousands of years aspirin has been humanity's wonder drug. 几千年来,阿司匹林就一直是

发表于:2019-01-26 / 阅读(91) / 评论(0) 分类 经济学人科技系列

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(107) / 评论(0) 分类 英文语法词汇

爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w

发表于:2019-02-05 / 阅读(84) / 评论(0) 分类 好听的英文歌曲

Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. To Christians, it means Jesus' birth

发表于:2019-02-08 / 阅读(98) / 评论(0) 分类 实用英语

The New Music 新音乐 The new music was built out of materials already in existence: blues, rocknroll, folk music. But although the forms remained, something completely new and original was made out of these older elements - more original, perhaps,

发表于:2019-02-08 / 阅读(116) / 评论(0) 分类 实用英语

Business 商业报道 Cotton exports 棉花出口 Knickers in a twist 印度颁布棉花禁令,世界市场反应强烈 India bans cotton exportsconfusing everyone, including its government. 印度禁止棉花出口,让所有人都很迷惑,政府

发表于:2019-02-16 / 阅读(54) / 评论(0) 分类 经济学人商业系列
学英语单词
.prf
3-benzylsydnone
adjournment
agglomeration of industry
aggregate expenditure function
alarm hammer shaft
all-around loading
almond furnaces
anion-exchange material
Anti-Ballistic Missile Treaty
auto/remote selector
Bangui B.
barricuda
bederal
bonnet stud
bradded
brusk
cam grinding
Certificate of Ship's National
chapfallen
chromophobous
coleroon r. (kollidam)
commercial employee
computational embryology
corrosive-proof cable
cruciform division
data synchronizer
day-of markets
deuterythron
diminished responsibility
disciplinary procedures
donor-recipient
double wing spanner
electrostatic suspended gyroscope
error symbol
excitoglandular
flying mouse
frame-shift
friction saw
function diskette
geostrophic wind scale
has been and
heterogeneous nuclear RNA
himbosine
ignition and lighting magneto
input/output termination
irrenewable
kickin'
kuba
Kōzaki
lanthanite (lanthanide-la)
lenticular cloud band
letters testamentary
levelized unit cost
mass flow lifting
Matias Cardoso
mechanically operated door
motor coordination
naufrague
nsima
oven top auxiliary
overpower factor
overtaking vessel
Pandaceae
passavant
Pedicularis legendrei
portable dust sampler
pre-conversions
predawn
Proetus
prompt biphasic reaction
protective insecticide
protess
psychogony
purple pelargonium
ratline stuff
reader mark
reg ex
relief milling
repetition rate
restraining moment
rostrate
row buffer
segmental grinding ring
semi-automatic weighing machine
semichemical pulp sewage
shut the stable door when the horse has been has bolted
single axle bogie
single-cylinder
spike pulling
stobarts
subfornical organ
thermal diffusibility
TNOs
Ts'e'āda
unique records only
urdumheim
uretero-tubal anastomosis
urinogenital
Viola kiangsiensis
warrioress
zinc resinate