[古生] 细菌化石

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(1045) / 评论(0) 分类 新概念英语第四册

[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(243) / 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(171) / 评论(0) 分类 VOA慢速英语2008年(十一)月

STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

发表于:2018-12-17 / 阅读(183) / 评论(0) 分类 2018年NPR美国国家公共电台10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(180) / 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(179) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(五)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(181) / 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(239) / 评论(0) 分类 2006年慢速英语(四)月

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(211) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(240) / 评论(0) 分类 Scientific American(一)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(247) / 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(249) / 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(191) / 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(166) / 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(217) / 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(322) / 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(226) / 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(218) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
'Aïn Tédélès
4-bromophenol
AC permanent-magnet tacho-generator
acupoints on pericardium channel of hand-Jueyin
additional base point
affirmative warranty
alveograph
amphimixis
Amring
approval-rating
articulus atlantodentalis ventralis
astrophel
bacon hogs
beam trawler
brightness flicker
coinkydinks
comprehensive data base
cyclone-prone area
cygnets
deaton
electrocatalysts
elle macpherson
embarkation area
endemia
enfants
entamebas
Euonymus potingensis
form control procedure
Fujiwara Yoshifusa
fully reducible matric algebra
Gawa I.
gear de-burring machine
generalpurpose
genus Abudefduf
genus Cracticus
grid-valve control
happiness is a choice
horizontal refraction
host-host layer
inclined sack elevator
initial database
khalifat, khalifate
Kluver
lamp socket cable contact
laryngeal pain
Leave Britney Alone
lenshounds
lienal artery
Makat
melanophyllus
mining tunnel
mitering
monass
nonconfined
nonlinearity in lasers
null position in phase
Olbers, Wilhelm
Oregon cedar
organically bound nitrogen
oum
oxycephalus latirostris
paim
pans out
Pecan Island
periphallus
Petrophytia
pithecanthropine
post-fines
primitive(fetal)hemoglobin
Primula blinii
productivity quantitative scale
promuslim
Prop H8
ranunculus chinensis bunge
red ramie
rocking step
rotary tablet machine
rusty mottles
sampling noise
scarrow
self-established tide
shadow details
spoon bow
square planar complex
stock fund account
stomatal cell
submillimeter wave transistors
subpapillary plexus
Surrectan
switch equipment
telereceiver
tenosynovitis stennosans
thiefproof
Thuja sutchuenensis
to drop something
todai
unpointed
velocity azimuth display technique
velocity pole
voltage clamp,
whited sepulchres
Yushania oblonga