中背片

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(161) / 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(56) / 评论(0) 分类 新编大学英语阅读部分

Bergara extends Real Sociedad deal MADRID, Oct. 11 (Xinhua) -- Real Sociedad confirmed an agreement to keep midfielder Markel Bergara at the club for the further three seasons on Thursday. The 26-year-old product of the club's youth system has made 8

发表于:2019-01-07 / 阅读(93) / 评论(0) 分类 英语新闻

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(65) / 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(135) / 评论(0) 分类 美联社新闻一分钟2006

NAIROBI, Feb. 18 (Xinhua) -- Former world marathon record holder, Paul Tergat, claimed on Monday that doping among Kenyan runners is isolated as opposed to being the widespread problem as alleged. He subsequently called for accusations levelled again

发表于:2019-02-05 / 阅读(45) / 评论(0) 分类 英语新闻
学英语单词
acoustical activity
acute proliferative glomerulonephritis
adoption model
aiglets
aleuromarginatus bauhiniae
all-class
alpha-superharmonic function
aluminum dry cargo container
ascostroma
ash curve
barredo
biscuits
blast biological damage
borees
Bystřany
cambelt
cataloguist
Chrysanthemum coccineum
communication infrastructure
condition adjust operation
crepe hair
cryogenic cable
delafose
develop new tools
diaspironecrosis
diffraction propagation
distant fishery
dopers
downcoming
Eagle Mountain
electronic search
equipment fund
eye-protection glasses
factorizing process
flids
flocculant solution
foreign exchange quota
fossil men
fright response
genus Denisonia
gurudwaras
head lateral line
historical references
hollowing
hord
inheritable basin
integrated service digit network (isdn)
Investment Advisers Act
it's never too late to mend
keeps on at
key measurement point
Knudsen flows
lapper
line traffic coordination
lochi
lower diaphragm plate
malacological systematics
Maohis
mask (african styles)
measuring blocks
meat content
meiotic disturbance
negative-resistance bridge
neutralizing effect
nitrogeter
normal gross weight
NOT operation
optic thalamus
petrosal
phase dipole
phratry
phytoalexin
pillar knees
piss-ups
plywood machinery
polycythemias
poorly-graded aggregate
precardiac
quinqueveined
reduction by product
regeneration
responsive skirt
revenue raising
Riam
Saccharomyces cerivisiae
saliency effect
schemm
shootage
simple harmonic alternating current
skip field
spigot end of pipe
spondias mombins
taphophilia
thyristor rectifier set
took upon ourselves
Trigonella foenum-graecum L.
two-color laser ranger
typosyllis silkeae
valve-type surge arrester
water-jet ship
white porcelain