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在美国黄石国家公园,曾经栖息着土生土长的狼群,直到有一天,狩猎者将它们驱逐殆尽。然而到了 1995 年,(由于一个激进的管理项目)狼群开始重新回归,一些有趣的现象出现了:黄石国

发表于:2018-12-09 / 阅读(337) / 评论(0) 分类 TED公开课:生态谜云

新编英语教程第五册unit03_2_beginning_of_the_end_for_antibiot

发表于:2018-12-11 / 阅读(246) / 评论(0) 分类 新编大学英语阅读部分

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to

发表于:2019-01-08 / 阅读(270) / 评论(0) 分类 Scientific American(五)月

1. Federal agents expect to be at this Detroit-area horse farm for several weeks to search for clues to Jimmy Hoffa's disappearance. The former Teamsters leader vanished in 1975. 2. The general tap pe

发表于:2019-01-08 / 阅读(321) / 评论(0) 分类 美联社新闻一分钟2006

By Amberin Zaman Nicosia 27 January 2006 Turkish Cypriot community leader Mehmet Ali Talat says the European Union can and must play a major role in pushing for a settlement to re-unite the Greek and

发表于:2019-01-13 / 阅读(311) / 评论(0) 分类 2006年VOA标准英语(一月)

By Anjana Pasricha New Delhi 07 January 2007 Bangladeshi Riot Police baton charge as protestors throw bricks during a protest in Dhaka, Bangladesh, 7 Jan 2007 At least 50 people were injured when security forces clashed with protestors in Bangladesh

发表于:2019-01-31 / 阅读(273) / 评论(0) 分类 2007年VOA标准英语(一月)
学英语单词
'speak
-etum
abdomen percussion sound
alirio
allnet
Almuro, R.
anti-monopolistic
anti-pyretic
asymptotic dimension
atheizing
audit of financial settlement
average gross sales
bedgowns
brown clay iron stone
Camper line
caressively
chamaea fasciatas
chef boyardee
chest trauma
combat center
convection cooling
cornels
cost and freight, free out
ctenotrypauchen microcephalus
distributed emission crossed-field amplifier
dogstones
dollarfish
electrical quantities measurement
enami
equine distempers
euterpean
extraneous risks
fertilization process
Fissistigma glaucescens
floripondio
forced version
fraternization
Freya, Freyja
fundata
galba
game server
genus dicamptodons
global warming potential
grease evaporation loss
grewia biloba g. don
groundlaying
Gustav Robert Kirchhoff
haploxylonoid
hard-eyed
Hinduness
homozygous
import collateral
IR fluorescence
la louviere (louvierre )
Lacrosse I.
lubricating oil dirty tank
main objectives
main stroke
malacopterygious
megatheroid
meggit decoder
mesio-incisio-distal cavity
mothma
multipin
multivariable feedback control system
mycoplasma like bodies
n. interosseus antebrachii dorsalis
newsearch
NNRTI
nursing room
ozonospheres
Parcent
parsoner
profile modeling
quadrant angle of site
radioactive bombardment
record plastic
resell goods
rifted margin prism
royal decree
saldanine
schematic circuit
semioviparous
sherards
shifting linkages
shunt field discharge resistor
snowy mespilus
soja bean
sonic leak tester
sphaero-crystal
statistical graphic symbol
stock-turn
strophidon ui
sunken and solid pulse
target practices
terebra tricolor
Thomson's method
under compound generator
vogelman
whey concentrate
win advantage of
Zigadenus