构造种

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(156) / 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(151) / 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(221) / 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(172) / 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(126) / 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(178) / 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(129) / 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(160) / 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(170) / 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(175) / 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(177) / 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(179) / 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(172) / 评论(0) 分类 VOA常速英语2008年(二月)

MILAN, Italy, Jan. 22 (Xinhua) -- European Commission(委员会) President Jose Manuel Barroso said Saturday Europe could no longer postpone fiscal consolidation and structural reforms in order to return to growth after the economic crisis. In a

发表于:2019-02-08 / 阅读(218) / 评论(0) 分类 英语新闻

Malaria killed 435,000 people last year, most of them in Africa. 去年435,000人死于疟疾,其中大部分在非洲。 The parasite that causes the illness is carried by females of some, but not all, species of mosquitoes of the genus Anopheles.

发表于:2019-02-16 / 阅读(186) / 评论(0) 分类 经济学人科技系列

Silkworm s and Skin Graft s Don: One of the neater things thats going on in biology is the genetic modification of species. By changing the instructions in their genes, we can make certain plants and animals produce things that are useful to humans.

发表于:2019-02-16 / 阅读(154) / 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(173) / 评论(0) 分类 英语新闻

Christine Lagarde, managing director of the International Monetary Fund, says China is not the only economy in need of structural reforms as they are fundamental for the success of every G20 economy. lagarde says the reforms are not only necessary, b

发表于:2019-02-21 / 阅读(189) / 评论(0) 分类 2016CRI中国国际广播电台

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(143) / 评论(0) 分类 2018CRI中国国际广播电台

In his annual government work report at the NPC session, Premier Li Keqiang announced a flexible GDP target, calling it a reasonable growth range as China is gearing up its structural reforms. The main development targets for 2016 are as follows: GDP

发表于:2019-03-04 / 阅读(250) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
a.a
acanthodian
Acetazoleamide
acrophilous
apicatus
Asplenium nidus
attrital coal
boiling tank
buzzlike
called attention
chapiter
cigar box guitar
city-resident
climbing plant
co-inducer
Coffin Bay
column IV element
contemporary stablemates
copper(i) hydride
counterscarp
crowding out effect
degradational
Det. in dup.
distant reading thermometer
epidermic
exogamete
external heat
extractives
extraneities
five bit byte
fixed end plate
formation of hepatoliths
former proof
formulator
genus Chrysophyllum
gibbs thermodynamic potential
Goldhorn's stain
ground water protection
here you go
implementation cost
indigobird
inimicitiously
iterative transfer coefficient
japery
jecorary
keyboard cathode ray tube
lacis
land rent
lifting-speed
macroregional
Mangifera longipes
Matomb
memory logic
methane clathrates
microwave terminal equipment
Middle Pt.
mixed race
mononuclear complex
multiple-operator power source
multitapers
nalus
Once bit ,twice shy.
one-g stalling speed
optical center of the registering frame
pirsigs
plastic scribing sheet
prantl number
principle of wage payment
rectilineal hoop
relative spectral sensitivity
resistor assembly tester
reverse grid current
rice porridge
rimption
rubbing friction
seminal fibrinolysin
semisaprophyte
sharing economies
sheet-metal
shocked plasma
siliceous reinforcing agent
Sophora yunnanensis
SR (shift register)
stay tape
tailing spout
Tegernsee
tellurium(ii) iodide
the papacy
thermionics
too strong
transverse plane
traumastheina
tricuspid area
twinners
ultra (supper) wide angle camera
undervaluedness
ventral cutting plates
vermified
very high frequency(vhf)
well-glossed
wirewounds
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