鳞硅钙石化石

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(75) / 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-m
alkali group
Alpestral
alternaria leaf spot of crucifers
Ananova
antisubmarine support operations
Arabian millet
arris of slab
at any one time
auto car
automatic down feed
avlation fuel fraction
bale retarder
balette
Barnette's conjecture
borax lake
bowrde
bur blocks
central leader training
chloricus
Church Latin
concrete cell
copytext
cosine capacitor
crush belt
cubital process
day-camp
defederation
derps
designedness
Dhoomadheere
dispatch a meal
displacement length ratio
dry farmland cultral vegetation
error initial
extinction efficiency
face boss
g's
genus cepphuss
genus diceross
glucuronoxylan
gravity type welding
have ... ass in a sling
hippocampal sulcus (or hippocampal fissure)
hydrostatic fluid
inevitablenesses
johann tetzel
keen-eyeds
Kulenkampff's anesthesia
lampreys
lanthanotuss
Lisala
locating programming error
makarochkinite
Merkel's corpuscle
Merry Andrews
mission-oriented audit
National Museum of Anthropology
night heron
NSC-82196
ornamental brick
Osera
outgross
Panama chock
perdurably
play a joke on something
procedure linkage
random displacement
reducing roast
ribes fasciculatum s.et z.var.chinensis maxim.
rubber constituent
rules of competition
Rutabion
sales return
sapromyza (sapromyza) agromyzina
schizogonium
schreibersite
seismic surge
self-smoothing fabric
silats
small-tonnage ship
smoked galss
solid-state industrial electronics
speech recognition equipment
steam turbine rotor
sympycnus residuus
tequendama falls
Thames, Firth of
thereuntill
Thomson inclined coil instrument
tityras
tongue pattern
Toxicodendron griffithii
turkey-baster
two price house
underfinancing
universal joint bearing gasket
uppa
Warburg's coenzyme
water migration force
water quality indicator buoy
yin-yang debilitation