[医]种群的

cline的用法和样例:

词汇搭配

  • parallel cline平行渐变群,平行倾群...
  • ratio cline比例渐变群

This is IN THE NEWS in VOA Special English. Demonstrators marching Saturday from the Danish parliament in the center of Copenhagen to the site of the climate change conference In Copenhagen, Denmark, the United Nations Climate Change Conference opene

发表于:2018-12-01 / 阅读(178) / 评论(0) 分类 VOA慢速英语2009年(十二)月

Nalini Nadkarni挑战我们对于树木及监狱的传统观点,她认为这两者都比我们所想得更具活力。经由与华盛顿州政府的合作,她将科学课程及保育计划引进给受刑囚犯,并得到超乎预期的效果。

发表于:2018-12-09 / 阅读(138) / 评论(0) 分类 TED公开课:罪与罚

By Brian Padden Jakarta 29 September 2009 People view victims of massive flooding in suburban Quezon City, north of Manila, 29 Sep 2009 Philippine authorities say that 240 people have died in the floods caused by Tropical Storm Ketsana but that numb

发表于:2018-12-16 / 阅读(99) / 评论(0) 分类 VOA标准英语2009年(九月)

Causes and solutions remain in dispute Michael Bowman | Washington, DC 01 December 2009 Droughts, floods, hurricanes, typhoons, retreating glaciers, and melting polar ice caps are just some of the occurrences scientists say are becoming more common a

发表于:2018-12-16 / 阅读(118) / 评论(0) 分类 VOA标准英语2009年(十二月)

At 75, Seminal US Composer Still Inspires American composer Steve Reich turned 75 this year. The so-called minimalist credits jazz, African drumming and Balinese gamelan as inspirations. His music - from experimental tape loops to the Pulitzer prize-

发表于:2018-12-16 / 阅读(165) / 评论(0) 分类 VOA标准英语2011年(十一月)

Today we're going to talk about keeping a journal. If you're an aspiring writer, you've probably heard that writers should keep a writing journal. The first time I kept a real writing journal was in my freshman English class in college, so since it's

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 英语语法 Grammar Girl

By Anya Ardayeva Moscow 12 October 2006 watch Slain Russian Journalist report One of Russia's most prominent journalists, Anna Politkovskaya, was buried in a Moscow cemetery Tuesday after she was shot dead in her apartment building on Saturday. The

发表于:2019-01-07 / 阅读(198) / 评论(0) 分类 2006年VOA标准英语(十月)

NB: This is not a word for word transcript Stephen: Hello, I'm Stephen. Rob: And I'm Rob. Stephen: And this is 6 Minute English! This week were talking about citizen journalism. Rob: Citizen journalism thats when people who arent trained journalists

发表于:2019-01-07 / 阅读(206) / 评论(0) 分类 六分钟英语

This is Scientific Americans 60-Second Science, I'm Steve Mirsky. Got a minute? Ever-increasing numbers of people are consuming news via the Internet and cell phones. In London last week at the World Conference of Science Journalists, Philip Hilts, t

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(七)月

By Lisa Schlein Geneva 22 March 2006 A new report by the Norwegian Refugee Council says the number of people internally displaced within their own countries by conflict decreased slightly during 2005,

发表于:2019-01-09 / 阅读(174) / 评论(0) 分类 2006年VOA标准英语(三月)

Group of Eight leaders in Japan set a goal to cut global carbon emissions by at least half by 2050. Developing countries say rich nations have to take the lead. Transcript of radio broadcast: 11 July 2008 This is IN THE NEWS in VOA Special English.

发表于:2019-01-11 / 阅读(148) / 评论(0) 分类 VOA慢速英语2008年(七)月

DEVELOPMENT REPORT – July 22, 2002: Maternal Deaths Study By Jill Moss This is Bill White with the VOA Special English Development Report. Each year, more than five-hundred-thousand women in develop

发表于:2019-01-11 / 阅读(177) / 评论(0) 分类 农业与发展

By Claudia Blume Hong Kong 14 May 2006 Makai, a 40-year-old Afghan woman, looks at her baby boy a few hours after giving birth at public hospital in Mazar-e-Sharif Families around the world celebrate

发表于:2019-01-11 / 阅读(200) / 评论(0) 分类 2006年VOA标准英语(五月)

By Jeff Swicord Baltimore, Maryland 27 April 2006 watch Ethnic Neighborhoods As the immigration debate rages in the United States, Jeff Swicord takes a look at one of the original immigrant neighborho

发表于:2019-01-13 / 阅读(196) / 评论(0) 分类 2006年VOA标准英语(四月)

By Robert Berger Jerusalem 01 April 2006 Ismail Haniyeh looks on as he receives congratulations from ministers and diplomats at the Council of Ministers in Gaza City The Islamic militant group Hamas i

发表于:2019-01-13 / 阅读(169) / 评论(0) 分类 2006年VOA标准英语(四月)

With three days remaining at the Copenhagen climate talks, India's government is expressing its disappointment with the proposals put forth so far. Steve Herman | New Delhi 16 December 2009 Indian Foreign Secretary Nirupama Rao (file photo) Officials

发表于:2019-01-13 / 阅读(187) / 评论(0) 分类 VOA标准英语2009年(十二月)

IndiaSeekstoCounterInternalTerroristThreat Top Indian officials say they need to prepare for terrorism threats that may arise both within and outside the country. Indian Home Minister P. Chidambaram on Thursday described recent terror attacks on Indi

发表于:2019-01-13 / 阅读(170) / 评论(0) 分类 VOA标准英语2011年(九月)

GUY RAZ, HOST: So when it comes to rethinking education, sure, more inspired curricula could help and, of course, so could better technology. And, of course, flipping the classroom structure could be transformational. But what about when school is th

发表于:2019-01-16 / 阅读(167) / 评论(0) 分类 2017年NPR美国国家公共电台8月

ENVIRONMENT REPORT — April 12, 2002: Medicinal Plant Conservation By Mario Ritter This is the VOA Special English ENVIRONMENT REPORT. Throughout history, people around the world have used traditiona

发表于:2019-01-20 / 阅读(158) / 评论(0) 分类 健康与环境

As climate negotiators meet in Copenhagen, Denmark, many scientists say that farmers around the world will have to adjust to more extreme temperatures, droughts and floods as a result of global warming. But in the United States, the nation's largest

发表于:2019-02-03 / 阅读(150) / 评论(0) 分类 VOA标准英语2009年(十二月)
学英语单词
AG-focused accelerator
agathidium (agathidium) distinguendum
Alison-Madueke
analytic surface
asphalt content
attractance
bar r.
batting out machine
beaver-type timber dam
capitalist economy
carboloy ring gland
certified buret
cincinno raceme
clearing house in-book
cnidoblasts
coaxial fixed direction coupler
cogel
consentest
CONTRAN
coromandel screen
cunnundrum
daubreeite
diesel power generating set
diral
directional gyro mode
disunite
draft dodging
E.germany
elixir of paraldehyde
equalizing pulses
federal tax credit against state income
flapping
flight bag
gallygaskins
gas conductance
Gentiana crassicaulis Duthie
gibbsitic bauxite
gravitinoless
hand control sprayer
Harhaiah
harik
heme iron
hexabromobenzene
Himbergen
hulton
integrated data base
ionic amphoterism
irrecognizant
Japidemic
kasts
lateral condyle of femur
latewakes
Ldg loading
learns the hard way
leucine aminopeptidase (LAP)
lichee
lily bulb paste
lipophosphonoxins
long bolt
microblog
microdissect
micuta
multiple return path
nanohydroxyapatite
neon(element)
Nodi lymphatici mesocolici
non-commutative integral
non-silting channel
other liabilities
outpedants
ovarian cord
personologic
poecilocapsus lineatuss
polystryrene varnish
postliterary
preaid asset
pteropsidas
public charities
QM, Q.M.
radio microphone
release without payment of duty
ridge-piece
salt bath nitrocarburizing medium
scarbroughs
scombron(e)
sebacic acids
serradilla
signal multiplier method
sorra
squeal on sb
static bottom hole pressure
staubach
sterilizations
stradanus
subcutaneous tests
superautomated
therapeutic laparoscopy
tin (sn)
tongue test
UNITR
upper air route (uar)
well-contrived