性铬兰K

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(206) / 评论(0) 分类 (科普英语)Earth and Sky

He stopped at the motel. It was late at night. It was almost midnight. He asked the motel clerk, Do you have a vacant room? She said she had a vacant room. He asked how much it was. She said it was $100 for the night. But the night is half over, he s

发表于:2018-12-07 / 阅读(83) / 评论(0) 分类 超级简单英语阅读

Want to Choose Better Words? Our words matter. Our words have always mattered, but they matter more now that the Internet gives us the power to make our words permanently public. Words might help or hurt someone. Our words may have more power than we

发表于:2018-12-16 / 阅读(68) / 评论(0) 分类 2016年VOA慢速英语(四)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues. But we too might have magnetic sensing abilitiesin our eyes. So say

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 Scientific American(六)月

bauxite, ['b?:ksait] n 铝土矿(铝的基本矿石) 【记】1)Baux是法国地名,xite=site场所。Baux因产铝而知名。 2)baux读:宝库,xite场所。产铝的宝库

发表于:2018-12-30 / 阅读(74) / 评论(0) 分类 不择手段背单词

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(247) / 评论(0) 分类 知性英语

How to Fix Your Facebook News Feed 如何修复你的Facebook新闻提要 Has your Facebook News Feed become a mess of political stories, unwanted videos and angry rants? Are you wishing for the days when your feed was filled with posts from friends

发表于:2019-01-02 / 阅读(98) / 评论(0) 分类 2017年VOA慢速英语(二)月

5 Reasons to Try Firefox Quantum Browser Mozilla has released a new update of its Firefox browser that it says is much faster and provides a better overall user experience. But can the new version called Firefox Quantum compete with the worlds curren

发表于:2019-01-03 / 阅读(135) / 评论(0) 分类 2017年VOA慢速英语(十一)月

Google Services for Your Daily Life 谷歌服务已渗入你的日常生活 Google has many services to help people and businesses. Some you may use every day. Others you may not have discovered yet. The more commonly known services include Gmail, Ch

发表于:2019-01-12 / 阅读(100) / 评论(0) 分类 2016年VOA慢速英语(九)月

Robert Cohen knows a thing or two about photography. He's a staff photographer for the St. Louis Post-Dispatch, one of America's most respected newspapers. One day this past August, he set off to shoot photos at the Missouri State Fair in Sedalia. Fa

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2010年(九)月

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(166) / 评论(0) 分类 VOA常速英语2007年(十一月)

Well, good morning! Looks like you are all very excited to be here. Welcome to Google I/O. This year marks our fourth year of this conference. 早上好!看来大家来到这里都很激动啊。欢迎光临Google I/O开发者大会。今年是我们

发表于:2019-01-18 / 阅读(89) / 评论(0) 分类 财富精英励志演讲

Browser wars 浏览器之战 Chrome rules the web 谷歌浏览器掌控网络 What Googles browser has in common with Queen Victoria 谷歌浏览器跟维多利亚女王的共同点是什么? Aug 10th 2013 |From the print edition 20130810_WBM200.pn

发表于:2019-02-06 / 阅读(97) / 评论(0) 分类 经济学人商业系列

Chinese cargo ships have been caught up in Indonesias mineral ore export ban, which has just gone into effect. Many Chinese companies rushed to complete the required customs procedures before the date to ship raw ore to China, but more than twenty sh

发表于:2019-02-06 / 阅读(68) / 评论(0) 分类 CCTV9英语新闻2014年01月

让你的电脑健步如飞 开始察觉到你的台式机或笔记本电脑变的有那么点儿不好用了?只用了几个月,你的PC或MAC就失去了它的锐气,感谢硬盘驱动器中的某块碎片吧,这可能是因为太多程序同

发表于:2019-02-07 / 阅读(135) / 评论(0) 分类 实用英语

saddle leather鞍皮[革] saffian leather山羊革; 摩洛哥革 scrap leather废皮; 碎皮 semi-aniline leather半苯胺革 semi-chrome leather混合铬鞣革 sheep leather(绵)羊革 shrink leather皱

发表于:2019-02-07 / 阅读(77) / 评论(0) 分类 英文语法词汇

SAN FRANCISCO, May 11 (Xinhua) -- Google on Wednesday introduced a series of notebook computers based on its Chrome operating system, stepping up its competition against Microsoft. Google unveiled the Chromebook at its annual developers conference(会议

发表于:2019-02-08 / 阅读(97) / 评论(0) 分类 英语新闻

It has long been known as ESP, Spider Sense, or the ability to see things before they happen. 一直以来,第六感也被称为超感知觉、蜘蛛感应,也就是预知未来事物的能力。 But now scientists have proved that human really d

发表于:2019-02-09 / 阅读(73) / 评论(0) 分类 大学四六级阅读

While reports of major hackings continue to make news, the sites you visit are safer than ever before. 虽然关于网络黑客的报道仍旧屡见不鲜,但事实是你所访问网站的安全系数比以往任何时候都高。 In fact, the web

发表于:2019-02-20 / 阅读(100) / 评论(0) 分类 英语新闻

Google Chrome has finally fixed a huge annoyance for its users. Chrome has removed the keyboard shortcut that makes the backspace key return to the previous page. 谷歌Chrome浏览器于日前终于解决了用户的一大困扰。Chrome浏览器已经

发表于:2019-02-25 / 阅读(70) / 评论(0) 分类 英语新闻
学英语单词
accidental homicide
acetoarsenite
admissible load
allspice
analytical measurement
anisotropic shell
annuler preventer
apparent ionization efficiency
aramoanas
arterial tension
bacterial uveitis
beam transadmittance
binilunium
black box transition
Brasilicereus
breakover current
cable expansion loop
chicaners
chloromethyl chloroformate
Chlorophthalmidae
Chuchuras, R.
Clow
cobalt enamel
Commondale
cone sheath
customs inspection post
DDHI
deltasones
derout
DHCT
diaphragm strain gage
diaphragm-spring actuator
Dihl porcelain
epilan
Festuca rubra
flatbottomed
flatts
fully-killed steel
go on the random
got down to
hardin
heap storage management
Heinrich Rudolph Hertz
high-frequency resistance
hot space
hungerers
hydrophilic chain
icteroid
input-output control system (iocs)
instantaneous power output
Islamic Development Bank
keratomata
laetification
laggardly
lancasterite
limited disclosure
macro-residual stress
magnetic symmetry
marine archeology
micro-encapsulated chemicals
micro-wave communication
microdropper
mimosis
monitoring and hold-up tank
non customer
othniel
paddle type stirrer
Panaldine
patricliny
personnel agency
petagram
phelps
polar flagella
polar questions
port traffic flow
power-dressed
presiding chairman
pseudo-ainhum
R.F.T. classes
raincheck
repetition method
resect-
riles
rosin pitch
sampling without ordering
Schwann cell
seaplane depot ship
Sencor
sham Abram
snipin'
soda alum
stadium invasionis
statesman
thujanol
time of vibration
to the turn to a hair
Uozu
uzon
Waddan
wirk
wrong-size
yonderer