蝉翼藤属

Securidaca的用法和样例:

例句

  1. Organic Acid Constituents from the Stem of Securidaca inappendiculata Hassk.蝉翼藤茎中有机酸成分的研究。

By Phil Mercer Sydney 31 March 2008 Australia has made a bid to secure a non-permanent seat on the United Nations Security Council. The effort is part of Prime Minister Kevin Rudd's push to make Australia a bigger player on the world stage. Mr. Rudd

发表于:2018-12-08 / 阅读(161) / 评论(0) 分类 VOA标准英语2008年(三月)

In the wake of the Moscow bombings, some global security experts say this kind of violence cannot be permanently stopped. But governments can do more to prevent mass casualties. Our correspondent takes a look at the additional measures governments ca

发表于:2018-12-08 / 阅读(154) / 评论(0) 分类 VOA标准英语2010年(三月)

By Deborah Tate Capitol Hill 12 July 2007 U.S. congressional investigators working undercover say they have obtained a license to buy enough radioactive material for a radiological bomb, without much scrutiny from federal regulators. The investigator

发表于:2018-12-16 / 阅读(217) / 评论(0) 分类 2007年VOA标准英语(七月)

Rights Group Challenges US Security Policy on Airline Passenger Lists Jim Malone A leading U.S. civil liberties group has filed a legal challenge to a program that seeks to bar people with suspected l

发表于:2019-01-07 / 阅读(238) / 评论(0) 分类 VOA2004(上)--各类新闻

By Brian Padden Blacksburg, Virginia 19 April 2007 In the aftermath of the deadliest mass shooting in U.S. history, the residents of the Blacksburg, Virginia are visibly shaken. Virginia Tech University is located in this rural town about four hours

发表于:2019-01-07 / 阅读(243) / 评论(0) 分类 2007年VOA标准英语(四月)

By Robert Berger Jerusalem 22 March 2008 United States Vice President Dick Cheney is in Israel, the latest stop on a Middle East tour. As Robert Berger reports from the VOA bureau in Jerusalem, he hopes to advance the peace process. Vice President Di

发表于:2019-01-12 / 阅读(191) / 评论(0) 分类 VOA标准英语2008年(三月)

By Daniel Schearf Irbil 08 March 2008 Thousands of people have protested in the streets of Basra, Iraq's second largest city, over lack of security. Meanwhile, a mass grave has been found northeast of Baghdad containing about 100 decomposed bodies. D

发表于:2019-01-12 / 阅读(189) / 评论(0) 分类 VOA标准英语2008年(三月)

By Phuong Tran Dakar 27 August 2007 Kenyan police officer stands guard as 1.1 tonnes of cocaine goes up in smoke at an incinerator in Nairobi (File Photo - 31 Mar 2006) Recent cocaine seizures in West Africa are forcing officials to find new ways to

发表于:2019-01-13 / 阅读(236) / 评论(0) 分类 2007年VOA标准英语(八月)

By Challiss McDonough Nabatiyeh, Lebanon 30 January 2007 Shi'ite Muslims around the world Tuesday held ritual celebrations marking the holy day known as Ashura, which commemorates the death of Muhammad's grandson. The Shi'ite ceremonies in Lebanon f

发表于:2019-01-13 / 阅读(310) / 评论(0) 分类 2007年VOA标准英语(一月)

As the International Year of the Potato 2008 winds down, the United Nations is appealing for continued global attention on the role the potato can play in providing food security and eradicating poverty in helping to achieve the Millennium Developme

发表于:2019-01-13 / 阅读(228) / 评论(0) 分类 VOA标准英语2008年(十一月)

Police say they have beefed up security at vital sites, including a fuel refinery, and are checking vehicles and setting up road blocks to ensure the execution of the three men convicted for the 2002 Bali bombings is not disturbed. Bali bombers from

发表于:2019-01-13 / 阅读(200) / 评论(0) 分类 VOA标准英语2008年(十月)

Homeland Security Secretary Janet Napolitano, joined by White House press secretary Robert Gibbs (L) meets with reporters in the White House, 13 Aug 2010, for briefing on the Southwest Border Security Bill U.S. President Barack Obama has signed a $60

发表于:2019-01-13 / 阅读(182) / 评论(0) 分类 VOA标准英语2010年(八)月

By Elizabeth Arrott Cairo, Egypt 16 November 2009 Iraqis pick through the remains of a suicide car bombing at a market in Kirkuk, 240 km from Baghdad, 16 Nov 2009 Iraqi security officials say gunmen have killed 13 people west of Baghdad, while in th

发表于:2019-01-14 / 阅读(211) / 评论(0) 分类 VOA标准英语2009年(十一月)

SCOTT SIMON, HOST: It's graduation season for colleges and universities across the United States - a time for celebration for many families but also added anxiety for DACA recipients. The DREAMers have been able to finish and get college degrees but

发表于:2019-01-16 / 阅读(155) / 评论(0) 分类 2018年NPR美国国家公共电台5月

DACA, A Student's Story: 'They Are The Types Of Immigrants You Want In Your Country' MICHEL MARTIN, HOST: Recently, we heard from a young immigrant from Mexico - the country from which the vast majority of DACA recipients arrived. Some 79 percent are

发表于:2019-01-16 / 阅读(218) / 评论(0) 分类 2017年NPR美国国家公共电台9月

RACHEL MARTIN, HOST: In conservative-leaning Nevada, Latino voters showed their power last year by helping deliver the state to Hillary Clinton. If President Trump sticks with his decision to end DACA on top of pardoning Arizona Sheriff Joe Arpaio an

发表于:2019-01-16 / 阅读(217) / 评论(0) 分类 2017年NPR美国国家公共电台9月

By Noel King Kigali 05 November 2007 Security Chiefs from 21 African nations are in the Rwandan capital Kigali for a meeting of the Committee of Intelligence and Security Services of Africa, knows by its acronym CISSA. The summit will tackle a number

发表于:2019-01-31 / 阅读(218) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Steve Mort Laredo, Texas 03 March 2008 A plan to build a fence along the U.S. - Mexico border has been one of the hottest controversies in Texas for some time. U.S. President George Bush signed a bill in 2006 authorizing the construction of more t

发表于:2019-02-07 / 阅读(195) / 评论(0) 分类 VOA标准英语2008年(三月)

By Robert Berger Jerusalem 03 March 2007 Israel is celebrating the biblical holiday of Purim under tight security. As Robert Berger reports from VOA's Jerusalem bureau, Israel has restricted the movement of Palestinians amid concerns of possible terr

发表于:2019-02-07 / 阅读(209) / 评论(0) 分类 2007年VOA标准英语(三月)

By Peter Heinlein United Nations, New York 11 January 2007 U.N. Secretary-General Ban Ki-moon has welcomed efforts to bring greater security to Iraq. But as VOA's correspondent at the U.N. Peter Heinlein reports, the violence in and around Baghdad is

发表于:2019-02-18 / 阅读(258) / 评论(0) 分类 2007年VOA标准英语(一月)
学英语单词
Achucarro's silver tannin method
actual goods
aestivo-autumnal
all-channel CATV amplifier
alochia
Alzada
angular calibration constants
annulariid
beefaloes
bipolar transistor amplifiers
bon
bress
burgeant
cascade network
Catanzaro
champine
charging turbine set
Cinnamomum zeylanicum Nees
Clubnail
cnms
counternarcotics
course-numbers
coxopleural
creeple
cushion of passavant
damping collar
dewy
diphyscium granulosum
docketed
Don Pong
Dstriol
engine technology
equatorial germination
euphorbia milli desm.
exudings
false-card
flint fireclay
fore court
fuglesang
gas jet propulsion
genus Lysichiton
genus Platichthys
gliricidias
grrrr
Halsted
health care worker
high pressure nervous syndrome
hilda taba teaching strategies
home-construction
horn-shaped
hypermetaplasia
inclined span
informed investor
intercarrier signal
kiddie strolls
lamellibranchea trochophora
letters-to-the-editor
Levant Wormseed oil
light size
liodrosophila nitida
longway
lymphangia
Maurer
multispoked
nasopharyngeal pouch
negative-sequence current component
nonprofit-making company
nucleolinus
nylon-string guitars
opening credits
overexercise
paced out
phytonisse
polyaxon
positional reprentation
racked up
radiomagnesium
RADLMON
reasonist
riuulet
Saussurea hultenii
Saxifraga hispidula
self-containedness
semicanal for auditory tube
shitake mushroom
Shu 'ayr
sniggery
snowmobiled
stone bubble (lithophysa)
surgical disthermy
tape running speed
teleneuron
the realization
tries out for
undisturbed zero output signal
vegetable tanned basil
waketh
Walkyrs
wasyll
Welutinin
wove paper
ytong