特化种

85 Plants Words Flower root stem trunk seed pollen fruit bark branch twig leaf bush jungle rainforest cactus desert savannah coniferous deciduous forest hardwood softwood blossom wood Cherry blossom rose petal bamboo Phrases Plant a tree Several spec

发表于:2018-12-10 / 阅读(126) / 评论(0) 分类 情景英语口语100主题

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(126) / 评论(0) 分类 英闻天下

Extinction—extinguisher To keep pace with Catch up with Competitor—competition—competitive—competitiveness Likely=possible ---likelihood=possibility vegetable—vegetarian ignorance—look ove

发表于:2018-12-30 / 阅读(120) / 评论(0) 分类 自考英语(一)78讲

Animals at Risk: Who Cares? An animal species becomes extinct when it fails to produce enough young is each generation to keep pace with the death-rate. We can tell from fossil evidence in rocks that

发表于:2018-12-31 / 阅读(132) / 评论(0) 分类 有声英文阅读

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(123) / 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(173) / 评论(0) 分类 2007年VOA标准英语(九月)

New York City is not only home to the nation's most diverse population, its public school system also has the largest variety of so-called specialized schools. These academies concentrate on everything from science and the performing arts to social

发表于:2019-01-13 / 阅读(151) / 评论(0) 分类 VOA标准英语2008年(六月)

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(148) / 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(105) / 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(142) / 评论(0) 分类 VOA标准英语2011年(九月)

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(129) / 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(136) / 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(151) / 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(147) / 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(151) / 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(150) / 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(154) / 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(112) / 评论(0) 分类 2018CRI中国国际广播电台

金融英语考试之金融阅读辅导:什么是银行 Whenever banks are mentioned in China, it is natural to be associated with the Peoples Bank of China. This is because its branches can be found in the cities in this country, and this bank i

发表于:2019-02-24 / 阅读(148) / 评论(0) 分类 实用英语

According to the Wall Street Journal, the world has about 10,000 active taxonomists, 据《华尔街日报》说,世界上大约有l万名活跃的分类学家, not a great number when you consider how much there is to be recorded. 考虑到有那么

发表于:2019-03-17 / 阅读(423) / 评论(0) 分类 万物简史
学英语单词
abrasion-resistance index
ain oussera
all-welded construction
analize
anti-cold
antraformin
arpine
ash sharqayah
astigmatic bundle
bicken
bifilar electromagnetic oscillograph
bimetallic
borderless organization
call price
Campaspe River
cancellation mark
cellana radiata orientalis
CHAI-virus
come forward with
consulting-room
continuous preheater
controllers-general
cornholer
critical speed range
dart players
Delphinium erlangshanicum
determinative bacteriology
DHP (delivered horse power)
dispatching station
doctrine of intestate escheat
duplex power pump
elimination approach
energy of distortion
error correction signal
ethical conduct
etrogol
exhibition model
face with
fluvial delta
Foucheite
ganocephalous
Georgi Dimitrov, Yazovir
grey seals
heat of transfer
hydrospermatocyst
immitigable
in sb.'s room
inflationist
internation institute for cotton
isometric DNA sequence
Kourifla, Oued
lakenheath
lusungshih (turquoise)
magnetomotive force
marking on rigid liferaft
methyloxymethyl salicylate
morphinane
motor drill
movable time indice
multiple sequence
multiplying
non-conform
north pacific drift
northwestwards
oophyte
orphanage
outlet air angle
outrigger wheel
overflights
Overflowing R.
overpolishing
Panama
poincares
polymere
product nature
pseudopomatias eos
punikathine
R.L.L.
ramalho
re-homed
ready for any venture
reciprocal function
reinhabit
Rep'yëvka
retinal field
rim of pulley
ring, token
roen
SDLY
shuck sth off
Shushkodom
silver gel
state trading
step quenching
subgenome
tank cap remover
triado batrachus
turret roof
wood iron
word queue entry
Yeomen of the Guard
zigzaglaser