死永冻土

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(981) / 评论(0) 分类 新概念英语第四册

SCIENCE IN THE NEWS - Looking Inside the Brains of 'Lucid Dreamers' FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we tell how warmer weather in the Arctic could speed up c

发表于:2018-12-01 / 阅读(760) / 评论(0) 分类 2011年VOA慢速英语(十二)月

[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(173) / 评论(0) 分类 广州初中英语5A

If the world continues on a business-as-usual path, the Intergovernmental Panel on Climate Change predicts that there is a fifty-fifty chance the temperature will exceed 5 degrees by the end of this century. This increase may not sound like much, but

发表于:2018-12-18 / 阅读(113) / 评论(0) 分类 TED演讲教育篇

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(146) / 评论(0) 分类 2017CRI中国国际广播电台

The ground here is permafrost, a mixture of soil and ice frozen together. A group of Russian scientists have teamed up with NASA to drill down into it in search of microorganisms. It's work that's bee

发表于:2019-01-02 / 阅读(182) / 评论(0) 分类 火星生命

Melting Arctic Could be Major Source of Greenhouse Gases The melting arctic permafrost could release methane-producing microbes with the potential to accelerate climate change, according to a new study published in Nature. Lead author Janet Jansson,

发表于:2019-01-04 / 阅读(136) / 评论(0) 分类 VOA标准英语2011年(十一月)

北极冰带的融化将加速全球变暖进程 DATE=2/16/01 TITLE=SPECIAL ENGLISH ENVIRONMENT REPORT - Arctic Permafrost Melting BYLINE=Cynthia Kirk (Start at 59

发表于:2019-01-04 / 阅读(121) / 评论(0) 分类 自然探索

The New York governors communications chief is resigning over the political scandal overshadowing the states top office. In a statement today Peter Hoffman says that given the recent developments, he had to quit. Governor David Paterson is under pres

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 2010年NPR美国国家公共电台3月

By Frank Ling Washington 07 August 2006 New research shows that global warming might be worse than expected because of melting permafrost, permanently frozen soil, which can release the greenhouse gas, carbon dioxide. Computer models predict higher

发表于:2019-01-11 / 阅读(164) / 评论(0) 分类 2006年VOA标准英语(八月)

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(206) / 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(153) / 评论(0) 分类 VOA标准英语2010年(五)月

Polar Scientist Charts Melting Caused by Climate Change Michael Gooseff follows water to the end of the earth. The Pennsylvania State University hydrologist works in remote regions of the Arctic and Antarctic, where ice and frozen ground are thawing.

发表于:2019-01-14 / 阅读(107) / 评论(0) 分类 VOA标准英语2011年(八月)

SCOTT SIMON, HOST: Most native villages in the western part of Alaska are built on permafrost. That's a thick layer of frozen soil. And with climate change, the permafrost has started to thaw. In one town, this means their cemetery is melting. People

发表于:2019-01-16 / 阅读(125) / 评论(0) 分类 2017年NPR美国国家公共电台12月

DAVID GREENE, HOST: Come with us on a journey inside the Earth. Well, inside a special layer in the Earth. A quarter of the Northern Hemisphere is covered with what's called permafrost, and for the first time in centuries, the permafrost is beginning

发表于:2019-01-16 / 阅读(145) / 评论(0) 分类 2018年NPR美国国家公共电台1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(124) / 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(177) / 评论(0) 分类 2007年VOA标准英语(六月)

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(181) / 评论(0) 分类 2007年VOA标准英语(八月)

Anthrax Outbreak In Russia Thought To Be Result Of Thawing Permafrost STEVE INSKEEP, HOST: Russia is fighting a mysterious outbreak of disease. Dozens of people are hospitalized due to anthrax. Yes, anthrax, the bacterial infection so deadly that cer

发表于:2019-02-13 / 阅读(128) / 评论(0) 分类 2016年NPR美国国家公共电台8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(181) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
A.C. contactor
abimelech
aircraft pilot
all-weather fighter
aluminium basic formate
arable layer
astragalus membranaceus (fisch.)bunge
attitude control subsystem
bogeys
bow compartment
bunitrolol
bus interface module
capacitance liquid level meter
carolare (italy)
Christmas Shop
compromitted
condensate and feed-water system
cut the connection
defence policies
deical
desaturated color
dialysis cispacifica
double coincidence of wants
edaphus
Elaeagnus commutata
electrical clock receptacle
electrical fitting
fetch off
fiborinogen
fibrillen
fistula in ano
flaches
flow mixing subfactor
forced-draft control
forming defects
Francioni
genus giardias
geoboard
Glen Helen Gorge
Glucoglycinuria
glycation
grain grinder
hose globe valve
hypophyseal portal vein
Impatiens bellula
interactive control table
interdependent variable
internal weld protrusion
isomorphous replacement method
jumping correspondence
Kadyy
La Moure County
landstrom
line steel
long shots
measures against tunnel fire
memeplex
metal-oxide-semiconductor reagent
methoxyflavonol
micronutrient fertilizer
minimum detectable temperature
modulation diversity
molasses kisses
monitor wafer
NAVMRL
next-record pointer
nichrome wire coil
nod and shake the spheres
non-tariff
normal peneplain
omohyoid muscle
Open Multimedia Application Platform
operation free-running operation
order entry system
photochemical absorption
polygenic psychopathology
Porcellian
power control cubicle
programmable breakpoint
promeranum
pulverized coal bunker
ratted on
reseize
rieber sonograph
sintered glass filter
smethe
spurions
standards of normal output
stelentrochite
stenothermy
symmetric bounded domain
tank recovery
telemetry impact prediction system
testis transplantation
tracheobronchoscopes
trihemellitic acid
unconditional base
unperturbed end-to-end distance
untrustly
wire guidance