隐花植物种

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(81) / 评论(0) 分类 英闻天下

The cold climate conifer forests of the north displaced broadleaved woodlands. Plants and animals were gradually pushed south to find a warmer climate. Florida became a refuge from the cold. Down here is where the Ice Age north met the subtropical so

发表于:2018-12-27 / 阅读(57) / 评论(0) 分类 探索与发现2013年

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)

AS IT IS 2013-05-24 New Study Predicts Huge Species Loss from Climate Change From VOA Learning English, this is At It Is. Welcome! Im Caty Weaver. This week, American scientists said carbon dioxide in Earths atmosphere had risen to its highest level

发表于:2019-01-12 / 阅读(93) / 评论(0) 分类 2013年VOA慢速英语(六)月

This is the VOA Special English Agriculture Report. Mangroves are unusual looking trees. They have roots that stand in saltwater and look like cables or ropes laid one on top of another. Mangroves are not just pretty -- they help the environment. But

发表于:2019-01-12 / 阅读(51) / 评论(0) 分类 2010年VOA慢速英语(四)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)

Ocean Floor Reveals Past Climate Changes Time capsule Lamont research professor Maureen Raymo, the director of the Core Repository, slides open a long, narrow drawer from the cabinet. Like thousands of others here, the drawer contains a long, thin cy

发表于:2019-01-13 / 阅读(115) / 评论(0) 分类 VOA标准英语2012年(一月)

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)

Tree Deaths Linked to Climate Change Stanford University graduate student William Anderegg has seen this forest die-off firsthand. His doctoral thesis documents the impact of drought on trembling aspen, the most common tree in North America. These ar

发表于:2019-01-13 / 阅读(88) / 评论(0) 分类 VOA标准英语2012年(九月)

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(99) / 评论(0) 分类 VOA标准英语2011年(九月)

Scientists Recreate Ancient Mating Call from Dinosaur Age It was probably a noisy world, with thousands of other animal sounds, rushing streams and the rustle of giant ferns and coniferous trees. Fernando Montealegre studies how insects sing and hear

发表于:2019-01-14 / 阅读(110) / 评论(0) 分类 VOA标准英语2012年(二月)

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

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
acute toxic encephalitis
amit
Arthothelium
available unit queue
avoid loss
bias of communication
bilibinite (coffinite)
boron control
capacitor for voltage protection
car frame
castanopsis concolor rehd. et wils.
chlorsilberspath (chlorargyrite)
co-equitate
colorado plat.
concentration-rate curve
condolation
cosmic electron
cross slide carriage
custom boat
DC power flow
ddrename
deboshments
des res
down cast header
drive system
dynamometer wattmeter
economic acquisition of resources
effective data process
excess surface water
family Pieridae
fast spiral
find time
Forster's operation
frost-free season
galgani
gas producing bacteria
GreenBrowser
group starter board
Ichthosulfol
infrared microspectrometry
intracampus
isohemolysis
jelks
joint between three members
Kamnitzer's tests
Keynesian model
kinnikinnicks
labyrinthiform
local building codes
managerial role theory
mandroids
mediating variable
microphthalmus
microwave mesuring receiver
mode pushing
molluscum verrucosum
multi-junction
Musculus erector spinae
natica euzona
neurarthropathy
niigataite
Oleandra neriiformis
oliguric renal failure
open flow potential
open lapping
organ grinders
ornithorhynchus anatinuss
overlapping phrasing
oversouls
Pacific mackerel
payable orebody
pentapanax leschenaultii (wight et arn) seem.
permanent-magnetism
phlebecurysma
poni
port of new york authority
prediction coding
pretil
privately owned vessel
prudenter
psychoanatomy
public toilets
quartz fibre suspension
race of screw
ramose
redetaching
responder
rezanov
ride-by
right gastric vein
sheer profile
smedstad
string theoretic
table-tappings
to come out of dock
trouble-monger
ultracapable
uncruel
VBD
Wera
youngren