[医] 氯化滕西隆, 氯化乙基(3-羟苯基)二甲铵(一种抗箭毒剂)

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(162) / 评论(0) 分类 VOA标准英语2014年(六月)

By Michael Bowman Washington 11 May 2006 President Bush says the federal government's monitoring of telephone activity is limited to instances where authorities believe terrorists are making calls to

发表于:2019-01-06 / 阅读(193) / 评论(0) 分类 2006年VOA标准英语(五月)

By Mike O'Sullivan Los Angeles 22 May 2006 The name Zamboni is well known to fans of hockey and ice skating. The Zamboni resurfacing machine makes an appearance on ice rinks between the periods of a h

发表于:2019-01-11 / 阅读(208) / 评论(0) 分类 2006年VOA标准英语(五月)

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(161) / 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(220) / 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(156) / 评论(0) 分类 自然百科2009年

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(148) / 评论(0) 分类 地道美语播客

To Muslims, the life of Muhammad is a story revered in its mysteries as much as its certainties that our beliefs held sacred. Whatever we can tell about the prophet, of course, is screened through the filter of what has been preserved over the centur

发表于:2019-02-05 / 阅读(168) / 评论(0) 分类 英语听力:文化博览2008年

She was so taken with Muhammad, she proposed marriage. Ah, Hadijia, well I think she was a mentor as well as a wife, a very strong lady who had her own business, and Muhammad was helping her out, so it was a wonderful partnership and I'm sure he lear

发表于:2019-02-05 / 阅读(141) / 评论(0) 分类 英语听力:文化博览2008年

Muhammad's following began to grow. They called themselves Muslims for those who surrendered to God. They set out to preserve the message Muhammad had brought. This was the beginning of the Koran. The Koran was revealed orally, but very soon people r

发表于:2019-02-05 / 阅读(113) / 评论(0) 分类 英语听力:文化博览2008年

Rather than a physical image of God or of Muhammad, it is the beauty of the Koran itself that is celebrated in Islam. Islam developed in this context where pictures were not favored. The Koran, as it was revealed, was Gods representation on earth, an

发表于:2019-02-05 / 阅读(169) / 评论(0) 分类 英语听力:文化博览2008年

To the non-believers, the divine reckoning Muhammad invoked wasnt average. His dismantling of their heritage and customs deeply unset them. It was a threat, a threat in several ways, to their social order, to their age-old traditions, and an economic

发表于:2019-02-05 / 阅读(164) / 评论(0) 分类 英语听力:文化博览2008年

For Muhammad's followers, leaving the place of their ancestors, their families and tribes was the ultimate test of devotion. In doing so, they began a new community, a new tribe. For the first time, they were bound together not by blood, but by faith

发表于:2019-02-05 / 阅读(171) / 评论(0) 分类 英语听力:文化博览2008年

And that is the beginning of the prophetic career of Muhammad. The months to come would bring more revelations, powerful words of a lyrical quality, more beautiful than the most exquisite Arabic poetry. Above all, Muhammad was to bear one message to

发表于:2019-02-05 / 阅读(148) / 评论(0) 分类 英语听力:文化博览2008年

This is not something that is fly-by-night. This is something big and important. Islam has come to stay. In just a hundred years, Muhammads vision had transformed the spiritual and political map of the world. And his followers had established an empi

发表于:2019-02-18 / 阅读(153) / 评论(0) 分类 英语听力:文化博览2008年

Praying together is a good thing. It cements the idea of belonging to a movement, to a religion, to an organization, to a community. The result is something very, very powerful, even to watch, even for a non-believer or someone from another religion.

发表于:2019-02-18 / 阅读(141) / 评论(0) 分类 英语听力:文化博览2008年

But it was not the pagan people Muhammad had come to destroy. It was their Gods. He raised his staff and the tribal Gods of his ancestors smashed into dust. When Muhammad entered Mecca and entered the shrine and destroyed the idols of the shrine, thi

发表于:2019-02-25 / 阅读(200) / 评论(0) 分类 英语听力:文化博览2008年

For three years, the Muslim army held out against staggering odds. As word of the fighting spread, other Bedouin tribes saw God's hand in Muhammad's victories. One by one the peoples of the desert began to join in his struggle. The Muslim army grew a

发表于:2019-02-25 / 阅读(178) / 评论(0) 分类 英语听力:文化博览2008年

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(255) / 评论(0) 分类 《海底两万里》中英双语有声读物

In Cairo, a muezzin calls faithful Muslims to prayer. Its the same call that sounds five times a day every day in cities across the world. Nearly a quarter of the people on earth respond to it, bound together by the enduring spirit of Islam. ''God is

发表于:2019-03-01 / 阅读(250) / 评论(0) 分类 英语听力:文化博览2008年
学英语单词
'ull
a step in the right direction
absidia pseudocylindrospora
advertisement balloon
after guy
agustin i
antecedent rights
apollinaires
bird-bath
carbide slag
cat-and-mouse
cephaliophora irregularis
check relay
chorographic
cipher key
Come and get it!
communication and control
continuously varying trait
deskphone
didymium squamulosum
direct3d
diver boots
dog sheet
dually
ecological race
Erquy
ethyl red
fainthearted
formatting utility
glycerol formal
graviers
groundnut
groza
heptenyl
high trans- styrene-butadiene rubber
human acoustics
hydrorrhea
inferior cerebral veins
judiciously
kaon
keratectasias
kinmels
Kipini
lambdamycin
left jabber
Lepreau, Pt.
leupaxin
line of oiler
lineament tectonics
logic system function test
Manite
meteoroid impact
mixed initiative interaction
move to shipping
Nasturtium tibeticum
nerita costata
nickel-iron cell
non reciprocal trade preferences
non-rigid molecule
nonnormal population
nose-thrill
notice of title
over load
Pandean pipes
paraffinic crude
played the odds
plug centre bit
premonstrating
prodlure
quick release mechanism
quickstone
red-bud
ricture
rubber connector
sanitray towel
schmalz
secondary side
self-identical
serialization products
Shannon formula
shipping parcel receipt
Sofri
solder with the soldering bit
speak'st
spinebill
spring suspended
stacking sequence
stage manager's room
stagger in
stewed pork slices in cream
subcenters
tabio
tafoni
the turners
titanium processing
to keen bad hours
undertreats
uniflow refrigerant compressor
unit derated capacity
weighted least square criterion
wet-dry sieving technique
work up an appetite