濒危种

Passage 48 Population Growth It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend. Take the United States for in

发表于:2018-11-30 / 阅读(110) / 评论(0) 分类 英语专业四级听写

发表于:2018-12-14 / 阅读(136) / 评论(0) 分类 Wee Sing Games

Population Growth It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend. Take the United States for instance. In 1

发表于:2018-12-18 / 阅读(107) / 评论(0) 分类 英语专业四级听力50篇

Five species of shark have been put on a wildlife protection list. The move has been made at the final meeting of the Convention on International Trade in Endangered Species in Bangkok, Thailand. The decision restricts cross-border trade in the ocean

发表于:2018-12-19 / 阅读(82) / 评论(0) 分类 英闻天下

Genetic Analyses Show Endangered Species in Shark Fin Soup More than 73 million sharks are killed every year, mostly for their fins, to make shark fin soup, industry experts and conservationists say. Shark fin soup is a common offering in many Asian

发表于:2019-01-09 / 阅读(74) / 评论(0) 分类 VOA标准英语2012年(八月)

By Lisa Schlein Geneva 12 September 2007 A new report says the number of species threatened with extinction is escalating. The World Conservation Union, which has just released its Red List of Threatened Species, warns life on Earth will continue to

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 2007年VOA标准英语(九月)

By Paul Sisco Washington 16 May 2008 The United States Government, Wednesday [May 14] officially added polar bears to the list of threatened animals under the Endangered Species Act. Bush administration scientists decided the species is at risk of be

发表于:2019-01-13 / 阅读(50) / 评论(0) 分类 VOA标准英语2008年(五月)

Bird Counts Show Species Decreasing Huntley Meadows Park in Fairfax County, Virginia, is home to a wide variety of birds. That's where Ana Arguelles and her husband, Jeff Wneck, who live next to the 588-hectare wetlands, take part in the annual count

发表于:2019-01-13 / 阅读(101) / 评论(0) 分类 VOA标准英语2012年(一月)

New technologies aid in conservation efforts at the National Zoo Susan Logue Koster | Front Royal, Virginia 19 July 2010 The National Zoo opened a cheetah science facility in 2007 at its conservation center in Front Royal, VA. Cheetahs are considered

发表于:2019-01-13 / 阅读(63) / 评论(0) 分类 VOA标准英语2010年(七)月

New Species Might be Human Ancestor Fossils found in a South African cave might belong to a new species of early humans that holds a unique place on the evolutionary road to modern man. On a 2008 mapping expedition in Malapa, South Africa, American p

发表于:2019-01-13 / 阅读(100) / 评论(0) 分类 VOA标准英语2011年(九月)

Species Loss Compromises Earths Vital Systems Scientists have long thought that diverse ecosystems like forests, lakes and streams are especially good at removing pollutants that human activities put into the environment. A new study in the journal N

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2011年(四月)

Sweet Song Gives Away New Bird Species我的歌声你懂得 That, of course, is the sound of the Himalayan forest thrush. And that sound was a clue to field researchers that they might have a new species of bird on their hands. Even though it was in

发表于:2019-01-20 / 阅读(74) / 评论(0) 分类 2017年Scientific American(四)月

Species Split When Mountains Rise生脉隆起导致生物多样化 The tropics are well known for their biodiversity. But another hotspot? Mountains. Like the Hengduan Mountains, in south-central China. 热带地区因为其生物多样性而为大家所

发表于:2019-01-20 / 阅读(94) / 评论(0) 分类 2017年Scientific American(四)月

With all the concerns about global warming and climate change one might ask the question, Why don't species just adapt? Don takes the devil's advocate position and discusses this with Yael. D: Yael, we know global warming is bad, right? I mean, the t

发表于:2019-01-22 / 阅读(68) / 评论(0) 分类 英语时差8,16

When we lose reefs, we lose basically the cradles of evolution in the oceans. Wolfgang Kiessling A new study out this week highlights the role that coral reefs play in evolution, adding another reason to preserve these delicate, diverse, and often be

发表于:2019-02-02 / 阅读(106) / 评论(0) 分类 VOA标准英语2010年(一月)

JINAN, May 14 (Xinhua) -- Chinese scientists said Saturday that they have found a new species of giant theropod dinosaur in the eastern province of Shandong. The new species, described as a close relative of Tyrannosaurus rex (T. rex), has been named

发表于:2019-02-05 / 阅读(97) / 评论(0) 分类 英语新闻

Researchers working for the World Wildlife Fund have warned that the effects of climate change pose a serious threat to rare species of wildlife discovered within the past year in Southeast Asia, including a fanged frog and a leopard-striped gecko. A

发表于:2019-02-05 / 阅读(111) / 评论(0) 分类 英语杂谈

By Phil Mercer Sydney 20 February 2008 Scientists say they have taken an array of new marine species from the seabed off eastern Antarctica. They are warning, though, that climate change could soon make extinct many of the strange creatures they have

发表于:2019-02-06 / 阅读(97) / 评论(0) 分类 VOA常速英语2008年(二月)

CANBERRA, March 23 (Xinhua) -- Up to 45 native species in Western Australia's Kimberley region will die out within 20 years if no action is taken, latest study showed on Wednesday. The Priority Threat Management to Protect Kimberley Wildlife report,

发表于:2019-02-18 / 阅读(116) / 评论(0) 分类 英语新闻

UK-based scientists are reporting the discovery of more than a hundred new species of marine plants and animals, including thirteen new crustaceans, as part of a deep-sea survey around the British territory of Bermuda in the Atlantic. CRI's Niu Hongl

发表于:2019-02-22 / 阅读(64) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
a stranger
act term
air defense direction center
amygdalocortical
artificial butter
B check
be like talking to a brick wall
Bewār
boarding call
brake bands
carbon monoxide poisoning
carrawell
cartable
cat and mouse, cat-and-mouse
chiflone
civilisings
Clarke's laws
coimmunostain
computer-uses
conditional entropy
congestion surcharge
corn duty in the sliding scale
decads
drifiting test
end wall tunnel portal
engine location
fingent
fire-proof asbestos clothing
first train
full face digging
gas-turbine
gasoline tractor
geostrophic streamfunction
gunnoe
haunting
hip hip hooray
Hopfield neural network
humic soil
ice-station
indecomponible
insurgent force
internal compression inlet
irreparable
junketings
leaf lettuces
linear elastic solid
lipidoses
log-stretch trick
logical check
long - playing record
low pay
lundqvist
Marina di Ravenna
Marrubium vulgare
mechanized cavalries
melanite-phonolite
metal-oxide
molybdenum(vi) oxybromide
mutesa
navigation risks
ne'ertheless
notice of advice
occur to
operations control center
optical analog memory
oriolus traillii ardens
overall estimate
overlayering
overrecovery
patriarcha
physiotherapy
prepention
rabies virus
rag cutter with disc knives
residual conductivity
rheumatocelis
romper suits
rotary shear motion
round timber
saxton
shoddyism
skun
slava
Sonoma County
spazzed out
stagnation-point ablation
stereoblastula
tfiids
thirdgeneration
torulae
trading on margin
upshifted
value bets
venostat
voluntaryists
wae
waste minimization
Western Indian bronze
widowburning
wipe-on-plate
yll
Yorba Linda