[化] 苯磺酰氯

Skills to Help You Perfect Your Communication More and more people in business and elsewhere are beginning to understand how important communication really is. The ability to communicate well is what

发表于:2018-11-28 / 阅读(218) / 评论(0) 分类 疯狂英语2004年

Abby: hi, my name's Abby. What's your name? Colin: I'm colin. It's nice to meet you. What do you do? A: I'm a freelance English teacher. How about you? C: I'm in between jobs at the moment. A: what kind of job are you looking for? C: I'd like to find

发表于:2018-11-30 / 阅读(229) / 评论(0) 分类 生活英语情景口语

INTRODUCTION TO ACT I Today on TUNING IN THE U.S.A., we are with Susan and her friend Harry Bennett in Chinatown, a special neighborhood of New York City. They have a list of fresh foods they need to buy for a dinner party that night. But Chinatown h

发表于:2018-12-07 / 阅读(191) / 评论(0) 分类 欢乐美语

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(157) / 评论(0) 分类 VOA标准英语2014年(六月)

Outdoor of activities A picnic in Spring It is warm. We will picnic in mountain of Yangming. There are many birds chipping around in Spring. It's really enjoyable to lie on the grass and appreciate the beauty of nature.

发表于:2018-12-12 / 阅读(188) / 评论(0) 分类 学术英语视频-教育

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

U.S. Vice President Joe Biden says he is withholding judgment on Iran's presidential election, as protests continue in Tehran over election results showing a landslide re-election victory for President Mahmoud Ahmadinejad. Vice President Joe Biden,

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 VOA标准英语2009年(六月)

By Sean Maroney Islamabad 28 September 2009 The head coordinator for the U.N. Humanitarian Affairs office in Pakistan says his agency is ready to handle what is expected to be a large number of families fleeing the South Waziristan tribal region as

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 VOA标准英语2009年(九月)

BBC Learning English Weekender Body image survey results Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to a report about a BBC survey of 25,000 young British people, asking about their body imag

发表于:2019-01-16 / 阅读(210) / 评论(0) 分类 Weekender

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(155) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(210) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(148) / 评论(0) 分类 自然百科2009年

SANTO DOMINGO, Jan. 11 (Xinhua) -- The Dominican Republic and Haiti Wednesday launched a joint plan aimed at eliminating cholera, which has claimed more than 7,000 lives in both countries since October 2010. The efforts were backed by the World Healt

发表于:2019-01-31 / 阅读(153) / 评论(0) 分类 英语新闻

有人叫她法国温婉天后,有人叫她疗伤天后,她的歌声,只要飘扬在空气中便能舒缓人的心灵。心情好,心情坏,只要有她的歌声嘴角便可生出微笑;是白昼,是深夜,只要跟随她的声线便能到达安祥所在。她就是Hlne Sgara。...... Encore une Fois(前缘再续)--Helene Segara

发表于:2019-02-03 / 阅读(230) / 评论(0) 分类 音乐咖啡厅

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(143) / 评论(0) 分类 地道美语播客

By Scott Bobb Lisbon 10 December 2007 The Africa-European Union summit ended Sunday in Portugal with agreement on many global challenges but with differences on other key issues. Correspondent Scott Bobb has this report from Lisbon. European and Afri

发表于:2019-02-07 / 阅读(197) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(173) / 评论(0) 分类 阅读空间

I feel like I've been locked up tight For a century of lonely nights Waiting for someone to release me You're licking your lipsAnd blowing kisses my way But that don't mean I'm gonna give it away Baby baby baby (baby baby baby) Ooooh My body's saying

发表于:2019-02-11 / 阅读(178) / 评论(0) 分类 The Voice 美国好声音

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

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(246) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
-terol
adaptivities
adnect
adnul
aily
Alford antenna
ambulatory will
antilifer
aporphin(e)
armure royale
aspecific
basadre
black paradise flycatcher
Braminic
broad-linear
central european initiative on parallel computation
channel noise level
ciliform tooth
co-formulator
coctoprecipitation
colour formal
complex root
composition of workers and employees
consumption account
cryptoplasm
debt papers
defect of ear lobe
demand-based switching
disadvised
DNA damage
drag-rakes
dried seasoned fish
driving spindle
Dudley Moore
enantiopathy
facilities dispersion
File Transfer Access and Management
fine broken rice
garage lamp
Gastrodia gracilis
hand trouble
harbo(u)r model test
heat body
ice cliff
ideal perfect-crystal
interludes
iotalamate
jawsmiths
kawada
Kolodko
lent an ear
low lands
lower cutting position
manganese dihydrogen phosphate
marmorate
maser gain
mickeson
microcomputer timing module
Mikhwā
Minabegawa
monetary conference
multi-pass drying system
Nakaseke
neurofibrillar body
non-bolsheviks
octaphyllite(trioctahedral)
office-type
Old Babylonian
Oligosporidia
orophytia
ottery
percussion riveting machine
photoemission threshold
physical maturity
Pinus bungeana Zucc.
pitman-type cutter
pmac
Port Jackson pine
prebake
purchasing permit
Raman laser material
receiving coil
rotation recurrence
rufescens
schuchardt
seam projector
source-receiver product
steering arm adjusting screw wrench
stereotelemetry
streptogenous elephantiasis
sulcus intertubercularis humeri
sum-of-the-year's-digits method
sumwhat
syrius
taberdar
tax economy
tobeat
Trypanosoma sanguinis
TRYPSVAC
wet-charged stand
yellow stunt of wheat
Zanthoxylum motuoense