物种不变性

Lesson 9 Why Is Basketball So Popular? 篮球热 Soccer and baseball have more fans,but no other sport has increased in popularity so quickly over the past 30 years than has basketball.What accounts f

发表于:2018-11-27 / 阅读(429) / 评论(0) 分类 赖世雄高级美国英语

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

Farmers all over the world know the importance and immutability of the seasons. They know that there is a season to plant and a season to harvest;Everything must be done in its own time. Although the rain pours down with the utmost relentlessness,

发表于:2019-01-02 / 阅读(110) / 评论(0) 分类 Faith轻松电台

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)

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)

April Showers Bring May Flowers Josh From the golden-tipped fields of mid-west America to the ancient kingdoms of verdant Palestine, there is a happy truth to be shared with all who would take heed. In more recent times, this truth has been expressed

发表于:2019-01-17 / 阅读(125) / 评论(0) 分类 英语美文

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

April Showers Bring May Flowers Josh From the golden-tipped fields of mid-west America to the ancient kingdoms of verdant Palestine, there is a happy truth to be shared with all who would take heed. In more recent times, this truth has been expressed

发表于:2019-02-06 / 阅读(107) / 评论(0) 分类 英语美文

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)

April Showers Bring May Flowers 四月雨带来五月花 From the golden-tipped fields of mid-west America to the ancient kingdoms of verdant Palestine,there is a happy truth to be shared with all who would take heed. In more recent times,t

发表于:2019-02-18 / 阅读(187) / 评论(0) 分类 阅读空间

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

April Showers Bring May Flowers (Written by Josh; Level: Advanced) From the golden-tipped fields of mid-west America to the ancient kingdoms of verdant Palestine, there is a happy truth to be shared with all who would take heed. In more recent times,

发表于:2019-02-18 / 阅读(112) / 评论(0) 分类 英语美文

April Showers Bring May Flowers From the golden-tipped fields of mid-west America to the ancient kingdoms of verdant Palestine, there is a happy truth to be shared with all who would take heed. In more recent times, this truth has been expressed as:

发表于:2019-02-20 / 阅读(161) / 评论(0) 分类 英语美文

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
学英语单词
abequoses
active defence
agent provocateur
air transformet
allergie
AMBW
anode hood
army high performance computing research centers
ashleigh
Ayacucho, Dep.de
bibliotists
bioflooding process
bow one's thanks
Carnot refrigeration cycle
cartmills
chickcharneys
chokestrap
claim and delivery
cold-strip
commodity price stabilization
counterespionage
court holy water
cryptodires
daemonizing
data communications
digitally controlled local oscillator
dougray
dright
Eckernforde
ED (erection drawing)
electron energy loss spectrometer
enseam
fernling
finish marks
fixed length control area
fluorosilicone
flush curb
foodways
fuselage construction
glassphalt
hydropsyche kagiana
in the know
Indo Iranian
laisser-faire leader
LittD
low-noise reflector antenna
Margo posterior partis petrosae
matched pairs design
megapacks
Minzolum
misbefalling
newburger
onkilonite
Outward Arbitrage
over-the-knees
oversize or under size parts
palmitoyl-
panoplay
pennycuick
pericardial cell
pericoronitis of third molar
phenyl ethyl butyrate
pitchersful
pollice verso
porksen
possiblity
prethee
principle of replication
rate aided signal
Razia
reactor oscillation technique
remote measuring equipment
Rio San Juan, Dep.de
ropper
route in switching
SAR point of contact
self experience discrepancy
shipboard system
short range ship
single stage air compressor
slanderously
Soumans
spring offset valve
stairway and passage way arrangement
strongsituation
sulfamidite
super surfacer
takes the size of
Thomas Hunt Morgan
tin refiner
toas
tricliseine
unipath control unit
upright barrel hook
uredo morrisonensis
usdoc
villioma
vitraillist
voice-frequency carrier telegra-phy
water analysis
wave transparent concept
wooden fence