硝基溴苯

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发表于:2018-12-03 / 阅读(229) / 评论(0) 分类 20本英文音韵童谣小书(文本+音频)

AS IT IS 2016-06-22 Brexit Vote Is Too Close to Call Opinion studies in Britain show almost equal support for staying and remaining in the European Union ahead of a vote on the issue Thursday. British Prime Minister David Cameron made an appeal Tuesd

发表于:2018-12-08 / 阅读(186) / 评论(0) 分类 2016年VOA慢速英语(六)月

凯文布莱尔并不像一个抑郁的小孩:他是篮球队队长,参加各种派对,幽默并且自信。但它讲述的是有一个晚上他认识到拯救他自己的人生,他需要的只是说四个字。

发表于:2018-12-09 / 阅读(237) / 评论(0) 分类 TED演讲集:人生经验与告白

今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同,或者是来源不一,用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是:odds and ends, knic

发表于:2018-12-16 / 阅读(217) / 评论(0) 分类 美国习惯用语

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(231) / 评论(0) 分类 英语语法 Grammar Girl

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(392) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

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(392) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(八)月

英国脱欧迎来戏剧性变化。当地时间3日,英国高等法院裁定,政府在正式启动脱欧程序前需经议会批准。英国政府对这一裁定表示失望,并第一时间表示将上诉至最高法院。不少公司在英国的

发表于:2019-01-08 / 阅读(353) / 评论(0) 分类 英文语法词汇

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(243) / 评论(0) 分类 英语对接游戏

AS IT IS 2016-07-22 London's Businesses Look to Move after Brexit Ten London start-up businesses have made inquiries about moving to Berlin since Britain voted to leave the European Union. The business development group Berlin Partner made the announ

发表于:2019-01-12 / 阅读(142) / 评论(0) 分类 2016年VOA慢速英语(七)月

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

发表于:2019-01-14 / 阅读(195) / 评论(0) 分类 VOA标准英语2010年(九)月

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(177) / 评论(0) 分类 健康与经济

NEW DELHI, March 29 (Xinhua) -- Leaders of the five-nation BRICS bloc have reached important consensus in a just-concluded summit here, the Chinese delegation said Thursday. The summit is a success as it has again showcased the cooperative partnershi

发表于:2019-01-31 / 阅读(159) / 评论(0) 分类 英语新闻

Leaders from some of the world's largest developing economies -- Brazil, Russia, India, China, and South Africa, the so-called BRICS -- called Thursday for a more representative international financial structure. Wrapping up a summit Thursday in New

发表于:2019-02-07 / 阅读(196) / 评论(0) 分类 英语新闻

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(174) / 评论(0) 分类 阅读空间

SANYA, Hainan, Dec. 4 (Xinhua) -- The five BRICS nations intend to focus and work together on developing alternative energy sources. When Bu Xiaolin, vice governor of China's coal-rich Inner Mongolia autonomous region, spoke over the weekend in front

发表于:2019-02-17 / 阅读(150) / 评论(0) 分类 英语新闻

GENEVA, May 17 (Xinhua) -- Health Ministers from Brazil, Russia, India, China and South Africa met here on Tuesday, to prepare for the BRICS Health Ministerial Meeting which is to be held in Beijing on July 11, 2011. The preparatory discussion was co

发表于:2019-02-18 / 阅读(136) / 评论(0) 分类 英语新闻

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(139) / 评论(0) 分类 听播客学英语

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(144) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
aeronautical-engineering
Afrasiab
ambit/s
Ambocythere
anisotropous disc
anti-flocculation
Aphanopetalum
backplane connector
bantery
bechuanaland (botswana)
biotec
booking-office clerk
bordway
cablecars
canoodlers
cellular dam
centrifugal inertia moment
Ceratitina
cercospora pulvinulata sacc. et winter
cervicose
chrome-nickel steel
copper complex
CRA guide assembly
dampness-heat of liver channel
Dedesdorf
deoxyribonuclease (DNase)
dispensing
dousting
drainage facility
dry-laid web
excise licence
exhaust valve regulator
floating voltage
forayer
Fourcault process
frequency-locking
full-tide cofferdam
Geb.
gorups
guessin'
gyrotaxis
heel-toe
hero of the spigot
hollow-rod drilling
Homalia
i would say
illapsing
import promotion
inclined wind-drift
indlamu
infra-red transmitting filter
internal transfer vehicle system
international chick unit
Kainji Reservoir
ketchup
kunmingensis
latest frost
LL (leaving loss)
lucian
man of light and leading
manipulator
medium setting
network browser
nominal gain
nonwaxed
Obihiro-dake
oil-generating ratio
option-oriented
pachyvaginitis
peridental membrane
price-location equilibrium
purge process
quadrature of the circle
rear pivoting boom
residual static correction
revelers
rihan
round-mouthed
Salinftas
SCVIR
self-therapy
Shiitic
short-notices
souel
spiniscala cf. fucata
spinneret holder
start margin
stirofos
Telichie
tension-buffer device
tenths
throat seizing
tin(ii) sulfate
to cap it all
topological dimension
transmission main shaft
typism
unbecoming
valve device assembly
weazeny
wintertons
wood tar pitch