化石地质年代测定法

Lesson 1 Finding fossil man 发现化石人 First listen and then answer the following question. 听录音,然后回答以下问题。 Why are legends handed down by storytellers useful? We can read of things that happened 5,000 years ago in the Nea

发表于:2018-11-27 / 阅读(830) / 评论(0) 分类 新概念英语第四册

Scientists say they're making more progress in understanding a rare animal fossil they found in China. International teams from the USA and China discovered a giant otter that lived six million years ago. Paleontologists say the fossil they found in

发表于:2018-12-19 / 阅读(61) / 评论(0) 分类 2017CRI中国国际广播电台

By Greg Flakus Houston 28 August 2007 Lucy fossil display The fossilized bones of a female hominid creature found in Ethiopia in 1974 and today known around the world as Lucy are now in the United States on an unprecedented tour. The bones are part o

发表于:2019-01-13 / 阅读(93) / 评论(0) 分类 2007年VOA标准英语(八月)

Researchers get same yields with fewer fertilizers, pesticides Steve Baragona | Washington, DC 18 May 2010 Fossil energy use was compared among different crop rotation systems in a field experiment conducted between 2003 and 2008 in Boone Co., Iowa R

发表于:2019-01-13 / 阅读(46) / 评论(0) 分类 VOA标准英语2010年(五)月

By Caroline Sawyer Nairobi 08 August 2007 One of the world's oldest hominid fossils, which revolutionized theories of early man, has left Ethiopia to begin a controversial tour of the United States. Anthropologists want the remains of the fossil, kno

发表于:2019-01-30 / 阅读(78) / 评论(0) 分类 2007年VOA标准英语(八月)

SCOTT SIMON, HOST: You might want to set aside your cornflakes for a moment now. Ed Yong writes in The Atlantic about a substance he says, quote, looks revolting but is also one of nature's more wondrous substances, unlike anything else that's been c

发表于:2019-03-04 / 阅读(97) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
a-looking
accelerated stone polishing tester
administration functions
adoniside
adsignified
adventures
Ascaridina
Bacillus psittacosis
Bangoro
battery cable
bed ground
blackcap(raspbeery)
bodily process
bottom sediment chart
Burgstemmen
by courier
cash standard
cassette television
compressed air switch
cutting corners
D.I.T.
dedendum surface
diagnostitial
dna replication checkpoint
down time rate
drun parity error
dynamic visco-elasticity
eisenia arboria aresch. f. bicyclis (kjellm.) yendo
element analysis
emergency staircase
eolian placer
error in viewing
Ethernet specification
fiddled
final quantity
fine particulate
forestry centre
gripper carriage
Haytian
heater drain system
hydrographers
indoor high switchgear and controlgear
itanium-based
kleptomania
Kommetjie
liquable
lycasin
main steamline break accident
mean time between replacement
meringuey
midstroll
Monjamba
mother boards
myricas
Nakano-dake
neuropil(e)
nitrocelluloses
nondegenerative form
nuristan
obsolete asset
orifice jet
passersbies
pate a chouxes
PHOLED
pin valve
pipe machine
postarteriole
primary control surface
QR decomposition
radioactive air contamination indicator
ransacked
real estate brokers
rebleed
request-repeat system
reverse strike
Rotaspora
saliers
shovelled
ST_strong-and-weak_having-a-powerful-effect
steel letters
step charge
stoving varnish
subsidized company
summity
super emitron camera
switching off
tail lamps
temperature-resistant coating
terminating circuit
torsion levelling suspension
Town, Ithiel
trading company
tudhoe
uncoupling lever
Verkhnyaya Oslyanka
waste space
watercress
WCTU
wind quintet
yusra
Zanha
zeptogram