[=diazodinitrophenol]重氮二硝基苯酚

by Jason Marshall In past articles weve talked at length about three of the big four traditional processes used in basic arithmetic: addition (see also How to Add Quickly), subtraction, and division. However, for one reason or another, we havent yet

发表于:2018-12-07 / 阅读(188) / 评论(0) 分类 数学英语

图片1 图片2 图片3 by Jason Marshall Today we're turning our attention to using everything we've learned so far to help you solve math problems faster than you ever thought was possible. In this article youll learn two tips to help you add quick

发表于:2018-12-07 / 阅读(277) / 评论(0) 分类 数学英语

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 by Jason Marshall Continuing our quest towards turning you into a quick-calculating machine, today were building upon last weeks tips with one additional very important tip that

发表于:2018-12-07 / 阅读(169) / 评论(0) 分类 数学英语

By Robert Berger Jerusalem 30 September 2006 Labor unrest is growing in the Gaza Strip, where cash-strapped Palestinians are venting their anger at the government, led by the Islamic militant group Hamas. Hamas has rejected international conditions

发表于:2018-12-07 / 阅读(227) / 评论(0) 分类 2006年VOA标准英语(九月)

A zoo employee was bitten by an African puff adder, a large poisonous snake. He was trying to put the snake into a bag so that it could be moved to a new snake house. The snake handler was wearing heavy gloves and thick boots, but the adder sank its

发表于:2018-12-11 / 阅读(174) / 评论(0) 分类 原版英文小故事

This is the VOA Special English Economics Report. President Obama held a White House conference this month to discuss ways to prevent bullying in school. But bullying is a problem not just among young people. Workplace bullying can involve threats, b

发表于:2018-12-16 / 阅读(274) / 评论(0) 分类 2011年VOA慢速英语(三)月

Todd: Masako, I was very surpised to hear that you are actually a grandparent. Masako: Yes, yesTodd: You look very young. I was very shocked. Tell me about your grandchild. Masako: She's a baby. Of course. A baby, a baby girl. And her name is, it's H

发表于:2019-01-02 / 阅读(181) / 评论(0) 分类 英语访谈对话

Grammar Girl here. I'm on vacation this week, but before I left I updated one of the early episodes that I took down a few months ago. I hope you enjoy this new and improved version. Today's topic is addictive versus addicting, and we'll get to use a

发表于:2019-01-02 / 阅读(206) / 评论(0) 分类 英语语法 Grammar Girl

by Jason Marshall Weve spent the last few articles building our numerical vocabulary from the ground up. Today, were going to talk about something that sounds hard, but is actually pretty easy...and very useful too: the commutative property of additi

发表于:2019-01-02 / 阅读(292) / 评论(0) 分类 数学英语

by Jason Marshall Todays article will walk you through the first steps of kicking your calculator dependency. This isnt something we can accomplish in a single article, so well be revisiting this topic periodically. Today, were kicking things off by

发表于:2019-01-02 / 阅读(307) / 评论(0) 分类 数学英语

Maria was learning to add numbers. She liked to add numbers. It was easy to add numbers. She could add one and one. She knew that one and one are two. She knew that two and two are four. She knew that three and three are six. But that was it. She did

发表于:2019-01-06 / 阅读(192) / 评论(0) 分类 超级简单英语阅读

when the night has come and the land is dark and the moon is the only light we'll see no, i won't be afraid no, i won't be afraid just as long as you stand stand by me so darling, darling, stand by me, oh, stand by me oh, stand, stand by me stand by

发表于:2019-01-10 / 阅读(196) / 评论(0) 分类 The Voice 美国好声音

I feel the earth move under my feet I feel the sky tumbling down I feel my heart start to trembling Whenever you're around Oh baby When I see your face Mellow as the month of May Oh darling I cant stand it When you look at me that way I feel the eart

发表于:2019-01-10 / 阅读(235) / 评论(0) 分类 The Voice 美国好声音

By Dan Robinson Capitol Hill 14 March 2006 Wednesday the Liberian president will address what is called a joint meeting of Congress, an honor given to foreign leaders, the most recent being Italy's pr

发表于:2019-01-11 / 阅读(233) / 评论(0) 分类 2006年VOA标准英语(三月)

AS IT IS 2013-05-27 Help for Heroin Addicts Hello, and welcome to As It Is -- VOAs daily magazine show for people learning American English. Im Christopher Cruise. Today on the program, we report on how vaccines are being used in the fight against ch

发表于:2019-01-12 / 阅读(197) / 评论(0) 分类 2013年VOA慢速英语(六)月

Todd: Masako, I was very surpised to hear that you are actually a grandparent. Masako: Yes, yes Todd: You look very young. I was very shocked. Tell me about your grandchild. Masako: She's a baby. Of course. A baby, a baby girl. And her name is, it's

发表于:2019-01-16 / 阅读(144) / 评论(0) 分类 原版英语对话1000个

By Nico Colombant Dakar 15 February 2007 Many West African countries do not have enough money to pay teacher salaries on a regular basis or to refurbish schools. The result is a decaying educational system, with frustrated teachers, students and par

发表于:2019-01-31 / 阅读(236) / 评论(0) 分类 2007年VOA标准英语(二月)

Todd: OK, Jeff, we're talking about odd jobs. Good jobs, bad jobs, strange jobs we've done. What's an odd job you've had Jeff? Jeff: Todd, one of my oddest odd jobs might be was when I was backpacking through Europe after university, I ran out of mon

发表于:2019-02-06 / 阅读(166) / 评论(0) 分类 原版英语对话1000个

遥望那段漂浮着柳絮和直到世界末日歌声的时空,才发现...放下后,除了年华,我们什么也没失去。却得到更多。 You're not the only girl in town All my friends keep tellin' me You're not hte only girl in town Bu

发表于:2019-02-11 / 阅读(312) / 评论(0) 分类 音乐天堂

Thank you. Thank you, very much. Chancellor Kohl, Governing Mayor Diepgen, ladies and gentlemen: Twenty four years ago, President John F. Kennedy visited Berlin, and speaking to the people of this city and the world at the city hall. Well since then

发表于:2019-03-16 / 阅读(375) / 评论(0) 分类 名人演讲
学英语单词
acylic
aerial yam
Agathis australis
alkyl aromatic hydrocarbon
analog transmission facility
antianemic
aprendi
arthrotomies
aseptic processing
bacterioscopy
be on the trail of
burmeisterias
capital adequacy standard
cartilaginous ossification
caryogenetics
Casteliino's sign
Chimonanthus nitens
Chlorbutlo
clavicepss
closed action path
cobaltglance
contango day
copy taster
d-tenuipine
denotator
dilatation of ureter
dist(o)-
Ducke
dug-out
electric mud-slush pump
electronic data processing centre
Esquimau
exchange student
fairing
False Claim Act
flag lieutenant
fossil energy
fucked around
fyodorov
genus Balaena
get your head around something
grey cotton yarn in hanks
Grothendieck topologies
Gymnopilus validipes
heat motion
herier
Herminium ecalcaratum
hexagonal socket screw
incumberment
infratrochlear
Ischitella
J D Wetherspoon
jimthompsonite
knock ... about
lapides
Leszno
liquid metal fuel
love-affairs
mantle bulge
medium-power satellite
Metaplexis R. Br.
minimum fine
mining method for narrow dipping vein
monitor table
mortar-grinder
narrow pillar file
newton
non-oscillating
not in the slight
oar blades
order backlog
perkiest
physical entity
pimple plains
pooled sera
post keynesian mainstream economics
pure swap transaction
put ... to the vote
quandary
rebaude
remote-cut-off tube
rhaphid
Ribes rubrisepalum
rocket-assisted take-off
ruarsite
ruckings
Sefton Reef
shape-faced
silver sagebrush
small-headeds
spadeful
spectral theory of operator
suborder saurias
summary conviction
sympathetic coloration
trench shield
trothplighting
type I error
vanillone
weatherability
West Union
worldrecord