薄石棉;古石棉

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(827) / 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(92) / 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(96) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
alaotra
anthus hodgsoni yunnanensis
araskog
autoshaped
axial contact ball bearing
balancing fault
basophilic erythrocytes
begging-letter
belly breathing
Berlin-Tempelhof, Flughafen
blind feeder
button head spring
coercive correspondence
cogging shears
comprint
cyclotrigallanes
D-bags
debtholder
diagram of screenroom
dicky birds
dorsal scapular artery
double cooling bank
dryptosaurids
earth lodge
Ekéto
election address
endomychids
ethylene glycol monoacetate
exterior Qi instability
fadingness
genus Calliandra
genus Psoralea
harassing
havn
hyperlipidemic
impact damper
incremental cost
inexact data
instantaneous piston speed
interval transit-time
iseikonic
Jenns
johnsburg
juds
lexical representation
load profile
low level waste (LLW)
male section
milczanowskis
miniemulator
mono-brown
Monotropastrum
nanosyntactic
newsboy problem
nonassociative ring
nondegenerate curve
olabisi
oophorosalpingectomy
Orthocarpus chinensis
paper-bags
Pen Club
pericardio-kudoasis
Poisson processes
poll-adze
porta intestinalis
pressure transducer
principalists
prototoxoid
ram type bending machine
regency-style
respection
rigbt-angled drive
roncevauxes
s.p.c.a., SPCA
scriptoriums
seaquake
semicontinuous type oven
shot drill sample
sintaxanthin
sister paper
space-to-space link
specification of heat treatment
srt algorithms
steering planetary gear
streetwise
structure ground
syncongestive appendicitis
temporal roles
texture statistics
tickleness
tracer scale extraction
traditional line data
ultraleftism
underproductions
underscreen water
unrecorded income
vacant lot
wet-process kiln
woven hose
wrong line order
Xavantes, Sa.dos
xylographies