伴生树种(辅助树种和次生树种的合称)

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(60) / 评论(0) 分类 英闻天下

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(95) / 评论(0) 分类 2007年VOA标准英语(九月)

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(74) / 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(40) / 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(81) / 评论(0) 分类 VOA标准英语2011年(九月)

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(86) / 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(71) / 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(81) / 评论(0) 分类 英语杂谈

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(97) / 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(45) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
-lim-
acceptance gap
accounting assumption
achter
ad personam
address blank
aerocraft refueling
aerospace technology
alpha-amino-beta-hydroxyrpropionic acid
anomalous electric absorption
antipest
athwartship moment
babygirl
backsolve
bearing axle
Bhabhan
Blackwater Forest
bottom dump skip
Brassaiopsis pentalocula
Brazeau, Mt.
capital investment cost factor
car stop
carny
Cengkau
Charlie Brown tree
class C power amplifier
clasterosporium eriobotryae
combinatorial power mean
criminal law expert
culcitas
desludging separator
device enumeration
domain wall coercivity
empyocele
exogenous budding
Fas-ligand
fenced-in
food chain
fosho
fris
functional assignment
garlic pear
gear with addendum modification
Ghost of Christmas Past
Gomorraha
gusman
heart-wood rot
hydro-blast
hydrotephroite
incorrespondency
interbedding
interphone
interrogative substitute
Konandikro
Kouaba
kula plate
leigh-smith
mean annual rate
Methyldopate
most efficient estimate
oculus caesius
oilfield development
optimum range
order isomorphism
outside screw nonrotating stem type
painplay
paser
petrography of fossils
pfisteria
pherase
prenylnaringenins
principal portion
realtime clock
residual hazard
retention flange
rocker-arm oil trough
sabihas
salientians
Schank
screen design
seawater molecular physics
seek their fortune
semi-transparent cover
shipping container
signal fixture
slurry pump
solanum tuberosums
speedup factor
sphericity distribution
spy-rings
stenostomia
system test complex
tube sample boring
twanging
unbunch
understrew
unexceptionably
us you
vacant look
water cooled mould
Wirrida, L.
ZML