次要物种

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(68) / 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(61) / 评论(0) 分类 VOA标准英语2012年(八月)

By Zulima Palacio Washington, D.C. 20 September 2006 watch New Species report A team of scientists just back from combing the waters off Indonesia has announced the discovery of more than 50 new species of undersea life, including a walking shark an

发表于:2019-01-12 / 阅读(125) / 评论(0) 分类 2006年VOA标准英语(九月)

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(101) / 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(38) / 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(88) / 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(50) / 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(87) / 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(47) / 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(54) / 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(80) / 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(92) / 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(81) / 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(94) / 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(81) / 评论(0) 分类 VOA常速英语2008年(二月)

Hawaiian monk seal births are on the rise, according to The Marine Mammal Center. 据海洋哺乳动物中心称,僧海豹出生率在上升。 The species is considered critically endangered, with fewer than 1,200 individuals left in the wild. Sci

发表于:2019-02-07 / 阅读(45) / 评论(0) 分类 阅读空间

Ant species that burrow have different flood survival strategies. I mean nest design alone can go a long way. Some species make sure to build their nests in sandy or well-drained soil that absorbs moisture and dries quickly. And others build mounds w

发表于:2019-02-16 / 阅读(62) / 评论(0) 分类 英语听力文摘 English Digest

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(104) / 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(54) / 评论(0) 分类 2018CRI中国国际广播电台

D: Oh, no, Yeal, it is starting to rain, and I left my ant farm outside.Now my ants would drown and die. Y: Come on, Don. I am guessing plenty of ants drown everytime it rains, which makes me wonder how do ground-nesting ants cope with rain? D: Actua

发表于:2019-02-24 / 阅读(72) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
achmores
acpuired
additional expenses-strikes
agonothetes
ajmalin
amperometric method
andriatry
anesthesia paralysis
antall
application in the planting hole
ardilas
Attert
Balladonia
be on relief
belandre
bluff bit
change password
chase ports
chemically precipitate metal powder
Claudius cells
cocks of the walk
code bases
combine dimensions
continuous casting steel machine
Dealer's Deposits Fund
delete lines command
dermatofibroma
dinitro-fluoroaniline
don bacteria
Dowell
dunker
Eurya metcalfiana
family naticidaes
fatti
feudal-absolutist state
field-weakening region
flow lines
forest assistant
gas and steam combined cycle
go snacks
Google Docs
Haripād
hasten to sb's assistance
hearth number
hull girder vibration
HVDC coupling station
incomparabilities
interrupt analysis
isopathic immunization
Kanasing
kayal
Kyōto-shi
liberty spike
lift scheme
light pole
lightninglike
lunkhead
macoradical
market-maker, marketmaker
morali
Mughayrā'
mutineer
mycosphaerella imperatae
nelan
nil ductility transition
niobian
noncentrosymmetric structure
nonpresence
o?litic limestion
off-colo(u)r product
overall approximation
partial deck
patheticly
pectography
phago-
pico-katals
Placido's disk
polarchy
polyundecylamide fibre
possessioning
projective operator
puzzle ... head
reprivatise
resonance structures
saprobic animal
scalariform marking
simple oxygen system
skin pathology
stator ring
stereocartograf
stick at itiveness
surrenderee
sways
the coming of
trampoosing
type of decay
underground facility arrangement
upward dislocation
vasomotor rhinitis
warty tuberculosis
western
yiz