甲基硫氧嘧啶

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(158) / 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(55) / 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(61) / 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(132) / 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(84) / 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(79) / 评论(0) 分类 2007年VOA标准英语(一月)
学英语单词
accelerated stress test
activity chain address
antevsical
antinvasin I
auxiliary electric drive
Avon Reservoir
bare root transplanting
Blairsden
Bureau International des Containers
cacia arisana
center of gravity limits
chessboardlike
chrysophan
claughtons
cnidum univittatum turcz
computer-aided software engineering
concurrent operating system
costs of circulation
CQQ
cuti
descriptive entomology
distribution management
dropped waist
ductus thyroglossus
electropneumatic switch apparatus
empirical orthogonal function (eof)
encapsulating security payload
fetal hepatocyte transplantation
Flolan
fluctuation noise level
Goulburn River
graphium sarpedon connectens
half pay
hand crank
have an edge on one's appetite
Hieronymite
hose bib
Kebayoran
laceration of perineum
Lapu-Lapu
light area defense
loss compliance
lumbocostal point
malted barley
maneuver rate
mannase
maratoriam
Matsukata Masayoshi
measured ceiling
Melocalamus compactiflorus
misls
monolithic mold
morosco
multi-level outlet shaft spillway
New English Bible
nonvulgar
one-and-one
output socket
overpromoting
oxyhaemochromogen
pan seed
part, part
phantastron circuit
PHLS
pinites
pockily
pocophorum
Point Edward
pollution free technology
proctofene
production process
propensity to hoard
proteobacteria
question and answer session
radioactive well-logging
Radix Hedysari
roll spring
rotor body
round steel
rubes
self-digestion
six-phase voltage
slave terminal
speak daggers to sb
stomach flu
switching sequence
tank circuits
telecom company
the prince of egypt
Thomas De Quincey
thymopathic
tocoronin
tool compartment
treasonable misdemeanours
true-hearted
tuberculin skin test
Turgayan flora
ululated
union pipe
unneighbourly
vanatta
wide-spaced