第二种歧点(自切点)

Making a Discovery Pierre: How does it feel to be on the cusp of a new discovery? Irene: Lets not jump the gun. Weve made some major leaps forward, but Im not sure Id call what weve done so far revolutionary. Pierre: Not yet, but youre close to a bre

发表于:2018-12-03 / 阅读(104) / 评论(0) 分类 2015年ESL之商务英语

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(108) / 评论(0) 分类 英闻天下

I'm spiritual but I'm not religious is now a commonplace among people in Britain, the majority of whose population live their lives without reference to organised religion. In my role as an Anglican priest, I meet significant numbers of people who ar

发表于:2018-12-28 / 阅读(95) / 评论(0) 分类 智慧人生篇章

今天我们要学的词是 cusp。 Cusp 是尖端、浪尖,常用的表达方式 on the cusp of 是指正处于转变时刻。Fed Chairman Jerome Powell said he believed the U.S. economy was on the cusp of a historically rare era of ultra-low unem

发表于:2018-12-30 / 阅读(90) / 评论(0) 分类 英语单词荟萃

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(100) / 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(140) / 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(126) / 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(83) / 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(119) / 评论(0) 分类 VOA标准英语2011年(九月)

DAVID GREENE, HOST: Forty-five years ago today, Congress passed the Equal Rights Amendment to the Constitution. That amendment would have insured women have equal rights to men, but it was never adopted. It fell three states short of the 38 needed wi

发表于:2019-01-16 / 阅读(133) / 评论(0) 分类 2017年NPR美国国家公共电台3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(116) / 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(131) / 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(121) / 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(131) / 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(128) / 评论(0) 分类 VOA常速英语2008年(二月)

1.The FBI has released documents saying Army scientist Bruce Ivins had custody of anthrax spores identical to those that killed five and sickened at least 17 others in 2001.The FBI also says Ivins worked unusually late lab work hours around the time

发表于:2019-02-11 / 阅读(199) / 评论(0) 分类 美联社新闻一分钟2008年(八)月

本期内容: Theworldiswidelyconsideredtobeonthecuspofafourthindustrialrevolutiononewheremachineswillbeabletodomanyofthejobscurrentlyperformedbyhumans,andperhapsevendothembetter.Itisafuturethatpromisesgreaterefficiencyandcheaperservices,butonethat

发表于:2019-02-13 / 阅读(102) / 评论(0) 分类 夏说英语新闻晨读

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(136) / 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(93) / 评论(0) 分类 2018CRI中国国际广播电台

I'm spiritual but I'm not religious is now a commonplace among people in Britain, the majority of whose population live their lives without reference to organised religion. In my role as an Anglican priest, I meet significant numbers of people who ar

发表于:2019-03-10 / 阅读(161) / 评论(0) 分类 双语有声阅读
学英语单词
abdominal splenectomy
ad hominem attack
atwixt
axe-man
beer-hall
beetly
bisciotti
broad and close classification
buten
cabel
cajinin
cash contribution
chilled-out
coefficient of net regression
community immunity
continuous roller hearth
cordyceps martialis
cryopreserving
csaw
detectophone (detectaphone)
dictated
discreditable
dishelms
Djorf
Dolbeault complex
eagen
East Hampshire
eddy current clutch
Eindpaal
equivalent low pass impulse response
expressis verbis
expressivist
extensive communication system
fast growing species
Feosin
Fort Madison
fost
gas plasma
gaufrage
Gauss-Markov process
general-purpose data register
glacial boulders
Grosser Eyberg
Hoplophoridae
hopper gritter
immunocontent
infonded
interphase power controller
isopane
lap holder
Laufenburg
light antitank vehicle
mallota orientalis
MBR (memory buffer register)
methyl formate
micrographer
microsorium brergerianum (miq.) ching
miscegenational
montaas
MOOW
moving boundary analysis
multiaccess
multilineal
muscke
myelo-encephalitis
Naughton
negligent escape
new rivers
oelrichs
orographic(al)
p-Dihydroxybenzenes
parallax computer
peerlessly
pelviolithotomy
picture specification table
Pierrepontite
proximal renal tubular acidosis
ravyne
removables
revenged
rooted
rotating rocket testing
seamen's chest
semilunar plate
sends in
Spatium epidurale
spot meter
strategically equivalent game
synchronisation
tax tobacco
tethina orientalis
theoretical lead
thymolphthatlein
two-storey
unswizzle
wayage
well's location buoy
well-seated
Wikstroemia gracilis
wing-margins
wing-tip float
Yershovka