镁热还原硅铁法;皮金法

Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor

发表于:2018-11-27 / 阅读(538) / 评论(0) 分类 VOA2003(下)-发展与科学

A process of change 1) Napster’s gone but the technology remains. And so does the damage to profits. So can the music industry adapt to the times and turn the technology that’s taken its profits i

发表于:2018-11-28 / 阅读(140) / 评论(0) 分类 疯狂英语2003年

For most college students, the main goal of higher education is earning a degree that will lead to a successful and satisfying career. The years spent working on a program of study can be fun and include life-changing experiences. And many college cl

发表于:2018-12-08 / 阅读(53) / 评论(0) 分类 2017年VOA慢速英语(十一)月

注释: previous [5pri:vjEs] adj. 先前的,原来的 New Delhi [nju:5deli] n. 新德里,印度首都 Natwar Singh纳特瓦·辛格,印度外交部长,曾先后出任印度驻巴基斯坦、中

发表于:2018-12-08 / 阅读(82) / 评论(0) 分类 VOA2004(上)--各类新闻

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(96) / 评论(0) 分类 VOA标准英语2014年(六月)

Lesson 37 The process of ageing 衰老过程 First listen and then answer the following question. 听录音,然后回答以下问题。 What is one of the most unpleasant discoveries we make about ourselves as we get older? At the age of twelve year

发表于:2018-12-08 / 阅读(558) / 评论(0) 分类 新概念英语第四册

By Jim Malone Washington 25 October 2007 The lengthy and complicated process of choosing the next president of the United States begins in early January when voters attend party caucuses and cast ballots in primaries to select the presidential nomine

发表于:2019-01-07 / 阅读(132) / 评论(0) 分类 2007年VOA常速英语(十月)

By Jim Teeple Jerusalem 17 December 2007 After seven years, Israeli and Palestinian negotiators are talking once again. That development came at the end of 2007, a year of turmoil and transition which saw the Palestinian territories split, politicall

发表于:2019-01-07 / 阅读(177) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Naomi Schwarz Dakar 21 December 2007 Rebels and government troops in Ivory Coast are set to begin the long-awaited disarmament process on Saturday, a critical first step before forming a new national army is the divided country. Ivory Coast Presid

发表于:2019-01-07 / 阅读(123) / 评论(0) 分类 VOA常速英语2007年(十二月)

DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th

发表于:2019-01-07 / 阅读(222) / 评论(0) 分类 农业与发展

大学英语演讲稿 Mans life is a process of growing up Mans life is a process of growing up, actually Im standing here is a growth. If a persons life must constituted by various choices, then I grow up along with these choices. Once I hope I can

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 英语演讲

Ayaz Gul Pakistans President Pervez Musharraf says that in a telephone conversation with India's new prime minister, they have agreed to continue a peace process aimed at resolving bilateral disputes.

发表于:2019-01-09 / 阅读(86) / 评论(0) 分类 VOA2004(上)--国际时事

Colleges Look to Change Admission Process Educators across the U.S. are calling for major changes to the admissions process in higher education. The National Center for Educational Statistics (or NCES) reported that U.S. colleges and universities rec

发表于:2019-01-12 / 阅读(53) / 评论(0) 分类 2016年VOA慢速英语(二)月

Scientists Design Chips to Act Like Human Organs 科学家发明具有人体器官功能的芯片 Testing new drugs for safety and effectiveness is a costly process in the United States. It also can take a lot of time. Some scientists are now designi

发表于:2019-01-12 / 阅读(64) / 评论(0) 分类 2014年VOA慢速英语(十)月

Major world powers pledged support for reconciliation in Afghanistan to include members of the Taliban and mapped out a strategy for handing over increasing security responsibilities to Afghan forces. The decisions were announced as ministers and del

发表于:2019-01-13 / 阅读(60) / 评论(0) 分类 VOA标准英语2010年(一月)

Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of breast cancer disease and even help them decide the mo

发表于:2019-01-13 / 阅读(224) / 评论(0) 分类 VOA标准英语2010年(八)月

今天我们选读一篇《The Secret 秘密》中关于感恩的章节。这个章节中,讲述的是当人时刻在满怀感恩的状态下,心灵上产生的巨大变化。本书的作者还说道,如果在运用《秘密》这本书中所讲授

发表于:2019-01-17 / 阅读(56) / 评论(0) 分类 卡卡课堂早餐英语

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(109) / 评论(0) 分类 英语新闻

A man enters a barbershop for a shave. While the barber is foaming(涂上泡沫) him up, he mentions the problems he has getting a close shave around the cheeks. I have just the thing, says the barber, taking a small wooden ball from a nearby dra

发表于:2019-02-08 / 阅读(118) / 评论(0) 分类 趣味英语

By Challiss McDonough Cairo 11 March 2008 Many Arabs say recent violence in Gaza and Israel is placing the Middle East peace process in jeopardy again. VOA Middle East Correspondent Challiss McDonough reports from Cairo the process is under review ah

发表于:2019-02-08 / 阅读(108) / 评论(0) 分类 VOA标准英语2008年(三月)
学英语单词
abnormal market
abyssal cone
acanthosis nigricanss
affrontery
Allegheny orogeny
allophytoid
aniline foil
antineutrinoes
authorized mortgage bonds
auto-exciting
bacteridium coccophilum
banker's liens
bete grise
brokerage clause
campanulariid
cautious neutral budget
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Cockaigne
combat pays
come back to bite sb
come true
comparative dynamic economics
computerized axial tomographies
confer with sb. on sth.
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Coors filter
criminal court
cross-correlator
cylindrical combustion chamber
Dedesdorf
deprimens oculi
dermal denticle
dostams
driver's education
Dunbar, Paul Laurence
Dömitz
elemento
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fibrous composite
fixed water
full text search file
fundamental vibration
get one's hand in
high formation rate
hts
keefer
labeo
lamp shade paper
lateral budding
lead hydrogen arsenate
liable or not liable
light robot
lock finger
Lorentz covariance
mahant
mail handling office
manis aurita
mcashan
mechanoluminescent
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mislays
navigable depth
nimda
nitro-naphthalene-monosulfonic acid
nondeductible franchise
NUAAW
oey
on the tip of one's tougue
operational address instruction
output edit
paddymelons
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pig-cote
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reckmann
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reverse-
Ryzhkovo
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Sandrāna
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usnea misaminensis
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walrii
wasserflut