un. 实体化石
[网络] 体壳化石

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(1030) / 评论(0) 分类 新概念英语第四册

But the glyptodont wasn't a reptile. So what was it? There is a relative of the glyptodont thats still alive today. It's the armadillo and it's a mammal, the only mammal with this kind of armor in the whole of North America. It may give us some idea

发表于:2018-12-03 / 阅读(170) / 评论(0) 分类 探索与发现2012年

Parts of Pangaea were periodically flooded by shallow seas. But time and again this water evaporated, leaving layer upon layer of salt. Today these massive deposits lie buried deep beneath the Netherl

发表于:2018-12-07 / 阅读(176) / 评论(0) 分类 欧洲自然写真

[00:00.00] Unit 2 [00:01.41]Lesson 5 [00:03.37]on time [00:04.05]准时;不早不晚 [00:04.73]almost adv. [00:05.56]几乎;差不多;近于 [00:06.40]low adj. [00:07.47]低;矮 [00:08.54]truck n. [00:09.56]卡车 [00:10.58]guess v.n. [00:11.

发表于:2018-12-10 / 阅读(221) / 评论(0) 分类 广州初中英语5A

This is the VOA Special English Agriculture Report. Dickson Despommier is a public health professor at Columbia University in New York City. His area is environmental health sciences. One design for a vertical farm One day nine years ago, he and his

发表于:2018-12-15 / 阅读(163) / 评论(0) 分类 VOA慢速英语2008年(十一)月

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(167) / 评论(0) 分类 2017CRI中国国际广播电台

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. There's a huge, gunky brown cloud that lingers over south Asia and the Indian Ocean each winter. Its been known to cause respiratory diseases and even

发表于:2018-12-24 / 阅读(167) / 评论(0) 分类 Scientific American(一)月

Idiom: Like the back of your hand ( know something very well ) Hit the book: Explorer Survive Malaria Hike Fossil

发表于:2018-12-27 / 阅读(168) / 评论(0) 分类 趣味青春英语

EXPLORATIONS - A Sticky Black Hole of Ancient Death, Right in the Middle of Los AngelesBy Paul Thompson Broadcast: Wednesday, April 26, 2006 (MUSIC) VOICE ONE: This is Faith Lapidus. VOICE TWO: And th

发表于:2019-01-02 / 阅读(217) / 评论(0) 分类 2006年慢速英语(四)月

EXPLORATIONS - La Brea Tar Pits By Paul Thompson Broadcast: Wednesday, March 10, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Steve Ember with EXPLORATIONS in VOA Special Engl

发表于:2019-01-06 / 阅读(206) / 评论(0) 分类 Explorations

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Indiana Jones (I hate snakesI hate em!) would have totally despised a snake that lived some 60 million years ago. Because researchers working in Colombia have found th

发表于:2019-01-07 / 阅读(195) / 评论(0) 分类 Scientific American(二)月

VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about an unusual scientific research area in the United States. It is filled with the remains of ancient animals. This unusual pl

发表于:2019-01-11 / 阅读(224) / 评论(0) 分类 VOA慢速英语2007年(十)月

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(233) / 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(177) / 评论(0) 分类 VOA标准英语2010年(五)月

The 22 artifacts include 17 jade disks and ornaments, 4 pieces of bronze ware, and a pottery figurine. Some of the items date back as far as 1600 BCE. However, the fossil, featuring a microraptor embedded in a rock, is considered to be the most valua

发表于:2019-01-19 / 阅读(146) / 评论(0) 分类 2015CRI中国国际广播电台

By Jessica Berman Washington 13 June 2007 Chinese paleontologists have unearthed a massive dinosaur fossil in Mongolia. They say the giant dinosaur belonged to a family of bird-like dinosaurs that were a tiny fraction of its size. VOA's Jessica Berma

发表于:2019-01-20 / 阅读(202) / 评论(0) 分类 2007年VOA标准英语(六月)

Vietnam to Increase Electricity Production with Natural Gas Imports Vietnam plans to start using liquefied natural gas, or LNG, by the year 2020. Although Vietnam has said it would be hurt by the effects of climate change, it plans to move forward wi

发表于:2019-01-21 / 阅读(303) / 评论(0) 分类 2018年VOA慢速英语(十二)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(215) / 评论(0) 分类 2007年VOA标准英语(八月)

拉美兹卡病毒疫情扩大,美国发布旅游警告 Four years ago, a rancher in the Patagonia region of Argentina came upon an old bone sticking out of his desert property near La Flecha. 四年前,在阿根廷的巴塔哥尼亚地区,一名

发表于:2019-02-06 / 阅读(220) / 评论(0) 分类 英语新闻

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(203) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
achas
acorea
adaptive behavior scale(abs)
algebra class group
anointment
antimony telluride
bacterial allergy
Baetic
bagasse elevator
balanced ingot
barn machinery
baseball games
bear bait
bombycinous
Bosnian
bottle respirator
calorizators
cast on
cemetery vote
central system module
Chabrac
chymified
condylomata acuminata of urethra
convoy routing
Corona Austrina
cyanine dye butter
dichopodial development
distortion set
double-lead covering
drumwright
dynamic network services
engagement clip
equivalent air pressure
ethyl n-butyl ketone
ethyl oxamate
external piloting control
fecundity of the sea
folk university
gold filling
grey-back
gross morphology
have a crow to pick with someone
Hitzig's test
homoeoplastic
in expectation of
Jacob Marley
kilo-cycle
kindergartener
knowledge angel
leathery turtles
left-hand side
legal consolidated budget
lip smack
magic mugs
mares-tail
mask extractor
mcnicholas
mephostophilis
midaugust
mini-mes
miscarriage prevention
multistage efficiency
muscled
nervi axillaris
non-degenerated
ODI (on-line digital input)
oesophagus
oil-immersed water cooled transformer
over-etch
oxydendrum arboreums
P.P. (peak power)
partly-paid shares
pattern response curve
phlegm-expelling formula
piptal
plain brickwall
predeparture
Queen's ware
queenliest
redirections
reduction per area
regulator organism
Santo Domingo Indian Reservation
scurfily
semifinishing mill
shift signal
strongly acidic cation-exchange resin
subfile attribute
subject probe
task control block (tcb)
three years
trade-relateds
tuyamaella molischii taiwanensis
unbonny
unequal perturbation
variate difference
vehicle tracking
vestibulopathies
wayman
Weimar Constitution
wheezing due to retention of phlegm in throat
white deadnettle