施瓦茨导数

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(161) / 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(113) / 评论(0) 分类 VOA慢速英语2008(十)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(162) / 评论(0) 分类 雅思英语

Bad Audio Can Hurt a Scientist's Credibility In the era of fake news, it's worth remembering: the medium is the message. For example: psychological studies have shown that text that's hard to read is more likely to be deemed untrue. Now a study sugge

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 2018年科学美国人5月

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(112) / 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(215) / 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(145) / 评论(0) 分类 生活大爆炸第二季

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(176) / 评论(0) 分类 医学英语

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(123) / 评论(0) 分类 VOA慢速英语2009年(六)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(203) / 评论(0) 分类 VOA标准英语2012年(六月)

KELLY MCEVERS, HOST: When Noel Anaya was just a year old, he and his siblings were placed in the California foster care system. He has spent his life in foster care. He just turned 21, and in California, that's the age when young people exit the syst

发表于:2019-01-16 / 阅读(120) / 评论(0) 分类 2017年NPR美国国家公共电台1月

On June 3rd, a train loaded with highly volatile crude oil derailed just outside the small town of Mosier in Oregons Columbia River Valley. More than 40,000 gallons of crude spilled out of the train. Some burned away in a 14-hour long fire at the sce

发表于:2019-01-17 / 阅读(144) / 评论(0) 分类 2016年Scientific American(十)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: a track from the original Broadway cast recording of The 25th Annual Putnam County Spelling Bee. RS: The show is a musical satire of spelling competitions and the pressure to go t

发表于:2019-01-18 / 阅读(116) / 评论(0) 分类 英语单词大师-Word Master

This is Lesson Nine.Here's the opening to Jim Stuart's reprt on F.A.O.Schwarz. Lesten. What should you buy for a little boy? Do you know what you should buy for a little girl? If you have no idea what they want,then F.A.O.Schwarz is the polace for yo

发表于:2019-01-20 / 阅读(165) / 评论(0) 分类 洪恩环境英语

Welcome to Lesson Seven.Listen to Jake and Connie. That was a very interesting story,Jake. What will the archaeologists find? I don't know what they'll find.They're looking for a temple. Now listen and repeat. archaeologists the archaeologists What w

发表于:2019-01-20 / 阅读(202) / 评论(0) 分类 洪恩环境英语

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: a track from the original Broadway cast recording of The 25th Annual Putnam County Spelling Bee. RS: The show is a musical satire of spelling competitions and the pressure to go t

发表于:2019-01-25 / 阅读(123) / 评论(0) 分类 词汇大师(Wordmaster)

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(120) / 评论(0) 分类 经济学人科技系列

Sharyn Alfonsi: You wanna a nice cozy evening at home with a romantic movie. Lets pick some good ones from David Edelstein ---- a critic for New York Magazine and contributor to CBS Sunday Morning, and with Entertainment Weeklys film critic ---- Lisa

发表于:2019-02-07 / 阅读(111) / 评论(0) 分类 访谈录

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(150) / 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(94) / 评论(0) 分类 经济学人商业系列
学英语单词
apple grunt
augustum
auxiliary wheel
blewett
book keeping system
broadcast journalist
Calurea
carbureting pilot
ceil
compaction ratio
confiscating
correction for pull
creatrixes
d'armes
desmodium labumifolium dc. d. racemosum dc.
discrete random process
double beam oscillography
euarthropod
falsify a record judge-ment
forked spanner
formed steel base
four-stage compressor
Fu'ai
Gaanderen
gehrz
get on intimate terms
gram-formula concentration
Harman air cooling system
have the upper hand
hedwig
human embryology
inferior leaf
invoice guard book
jolt squeeze
kiernans
Kinel'skiye Yary
KLSA
knockhill
KS entropy
laundry blue
local line network with link circuit
Loughborough
Manhattanized
Memecylon cyanocarpum
mibbe
microlepia villosa ching
morological
multicellular organism
multiple motor drive
myelocyst
NBDC
Net surf
nickel-and-diming
Nimba, Mt.
non-regeneration emissions test
number of diaphragm
NWM
one-meter
option select number
organ-bank
oxapium iodide
paillette
pastorie
pentadecanaloxime
picenyl
plaudite
plug-in
pore space ratio
prefermentor
presonar
prevention paradox
price-to-book
pudu pudu
quarter-wave
Ramularia variegata
reported in
residuous
resin pressure sensitive adhesive
reversible sweater
revocation of an acceptance
Selebi
self reversing diesel engine
sesquipedalianisms
silico-chloroform
simple gland
single election
skirter
state of weakness of mind
Sub fin. coct.
Swertia diluta
tape switching
torticollis in newborn
total eradication
total titratable alkali
trickle charge
triloba
tripper
umbelie
victory laps
weak neutral current
wheel aligning indicator
ziad