[网络] 冬凌草甲素;冬凌草素;东凌草素

FAITH LAPIDUS: Welcome to THIS IS AMERICA in VOA Special English. Im Faith Lapidus. This week on our program we hear from some Americans about Christmas past, present and future. (MUSIC) FAITH LAPIDUS: Jeffrey Davis remembers Christmas two years ago

发表于:2018-12-01 / 阅读(121) / 评论(0) 分类 2010年VOA慢速英语(十二)月

In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produc

发表于:2018-12-01 / 阅读(147) / 评论(0) 分类 新东方现代文背诵篇章

At the Cheyenne Mountain Zoo, an infant gorilla named Wumundi gets some tender loving care from a dedicated keeper and lots of attention from curious visitors. He is on with a keeper all the time 24 hours a day. Zoo spokesman Sean Anglum explains tha

发表于:2018-12-03 / 阅读(99) / 评论(0) 分类 自然百科2008年

Good evening, my fellow Americans. Tonight I want to talk to you on a subject of deep concern to all Americans and to many people in all parts of the world, the war in Vietnam. I believe that one of the reasons for the deep division about Vietnam is

发表于:2018-12-30 / 阅读(115) / 评论(0) 分类 名人演讲

Maria Montessori lived between 1870 and 1952. She was an Italian educator who has left her mark on education today. Her Montessori method of education is widely used all round the world. Many educationalists say it is the best system for child educat

发表于:2019-01-01 / 阅读(70) / 评论(0) 分类 各国名人英文介绍

在TED U 2009的这个简短的演讲中,Jonathan Drori鼓励我们保护生物多样性 -- 从一颗颗种子做起。他提醒我们要保护人类赖以生存的植物,同时他也给大家描述了千年种子库这样一个美好的远景,在

发表于:2019-01-05 / 阅读(101) / 评论(0) 分类 TED公开课:生态谜云

Broadcast: April 18, 2003 By Nancy Steinbach and Shelley Gollust This is Doug Johnson. On our program today, we play some doo-wop music... answer a listener's question about places in the United State

发表于:2019-01-11 / 阅读(90) / 评论(0) 分类 VOA2003(上)-社会广角

By Dan Robinson Capitol Hill 25 April 2007 Family members of Pat Tillman, a soldier killed in a friendly fire incident in Afghanistan, have testified before a congressional committee examining disinformation from the U.S. military. VOA's Dan Robinso

发表于:2019-01-12 / 阅读(113) / 评论(0) 分类 2007年VOA标准英语(四月)

By Larry James Moscow 23 April 2007 Former Russian President Boris Yeltsin, who had been in declining health for several years, has died at the age of 76. Mr. Yeltsin served as Russia's president from 1990 until his surprise resignation on December 3

发表于:2019-01-12 / 阅读(152) / 评论(0) 分类 2007年VOA标准英语(四月)

By Lisa McAdams Moscow 23 April 2007 Russian President Boris Yeltsin waves as he arrives at Helsinki airport (File photo - 20 Mar 1997) Russia's first freely elected president, Boris Yeltsin, has died of heart failure at the age of 76. VOA's Lisa Mca

发表于:2019-01-12 / 阅读(88) / 评论(0) 分类 2007年VOA标准英语(四月)

By Nancy-Amelia Collins Jakarta 28 February 2007 The Southeast Asia group Jemaah Islamiyah (JI), which has been blamed for a series of bombings over the past several years, has splintered into factions and may be heading in new directions. VOA's Nan

发表于:2019-01-12 / 阅读(95) / 评论(0) 分类 2007年VOA标准英语(二月)

In India's eastern Orissa State, spiraling violence between Hindus and Christians has killed at least nine people. From New Delhi, Anjana Pasricha reports on the religious tensions gripping the region. Smoke rises from a church torched by hard-line

发表于:2019-01-13 / 阅读(68) / 评论(0) 分类 VOA标准英语2008年(八月)

The sole surviving gunman suspected of participating last year's terrorist attack in Mumbai has been having difficulty keeping a lawyer. His latest court-appointed counsel had threatened to quit after angry demonstrators surrounded her home. But the

发表于:2019-01-13 / 阅读(89) / 评论(0) 分类 VOA标准英语2009年(四月)

By Marianne Kearney Jakarta 05 May 2006 Indonesian police say they are closing in on Southeast Asia's most wanted terrorist, Noordin Mohammed Top, but a report released Friday says that the militant n

发表于:2019-01-16 / 阅读(109) / 评论(0) 分类 2006年VOA标准英语(五月)

By Al Pessin Pentagon 04 January 2007 A U.S. Navy spokesman says, five to 10 coalition ships are patrolling off the coast of Somalia to prevent suspected terrorists from escaping by sea, following the military defeat of Islamists who took control of

发表于:2019-01-30 / 阅读(138) / 评论(0) 分类 2007年VOA标准英语(一月)

By Peter Fedynsky Washington, DC 04 January 2007 watch New Congress report The new, 110th session of the U.S. Congress opens today with Democrats enjoying majority status in both houses for the first time in 12 years. But whether they can translate

发表于:2019-01-31 / 阅读(129) / 评论(0) 分类 2007年VOA标准英语(一月)

By Anjana Pasricha New Delhi 24 February 2008 A nascent floriculture industry in India is cashing in on growing demand for roses overseas. Anjana Pasricha has a report from New Delhi. It was just over a decade ago that a handful of entrepreneurs bega

发表于:2019-01-31 / 阅读(67) / 评论(0) 分类 VOA常速英语2008年(二月)

By Jessica Berman Washington 14 September 2007 Scientists have known for some time that most of the stuff in the Universe is so-called dark matter, material that cannot be seen directly because it does not interact with light. That makes it very diff

发表于:2019-01-31 / 阅读(135) / 评论(0) 分类 2007年VOA标准英语(九月)

By Kurt Achin Seoul 02 April 2008 South Korean officials have issued their first formal response to recent moves by North Korea, labeling some of the North's recent statements inappropriate. The exchange comes as high-level American and South Korean

发表于:2019-02-06 / 阅读(59) / 评论(0) 分类 VOA常速英语2008年(四月)

WADA confirm USADA's action on Armstrong approriate BEIJING, Oct. 12 (Xinhua) -- World Anti-Doping Agency has again thrown its support behind USADA after a lengthy report with evidence to prove Lance Armstrong a doper. U.S. Anti-Doping Agency issued

发表于:2019-02-13 / 阅读(97) / 评论(0) 分类 英语新闻
学英语单词
acetobenzoic anhydride
aeronautical advisory station (aas)
alluvial apron
Amrah, Jab.
Arashima-dake
Atlantic sardine
azadirachtin
B.A.R.
BBCC
bidirrectional bus driver
boys
brouche
carbon composite
Chindagatay
chop block,chopblock
cimitin
comins
demethylsuberosin
edelfosine
equinoctional
equivalent duty
etisus bargibanti
false verticillate
fast-operating relay
fire area
flank vault
fragmente
from an early age
gazo
genus Consolida
glandular fever
goal keeper
harriette
hemocoagulase
hereditary sphingomyelin
holston
hyporrion macloti
hypothetical creature
indicating control switch
jetcar
josies
julson
Jusmir
Kaikoura Range
Katshi
knuckle-dust
Konar, Velāyat-e
Labadieville
lifting stoper
logarithmic property
lontaigne
low porosity graphite rod
lubricating can
luminescent
make one's stake
manayre
mastrogiuseppe
mitremyces formosana
mug up
mustsee
Naruksovo
neatline
Nemestheria
newspaper critics
nmole
non-contact instrument
nonprocedure data interface
normative projection
o'neal
omie
orders on hand
ostracoderm
prevention of statical electricity
pseudohermaphrodites
Rana sylvatica Le Conte
reflection nephoscope
requirement of exchange
respawn
rho-theta computer
rodded volume
roslagskuta
Roui, Oued er
Salix ochetophylla
Salomón, I.
scrap brass
SCSI bus
shuttle magazine
size assortment
slip agitating tank
smugnesses
standard reference condition
subductive
three-phase squirrel-cage induction motor
thrust identity
thunder lizards
to save someone's life
triplet positronium
vectorial field
verbivorous
wiretap Trojan
yoks
zierone