异时物种形成(作用)

Study: Neglected Tropical Diseases Surfacing in Central Asia Many of the bacterial and parasitic worm infections commonly associated with the tropics are becoming rampant in some Central Asian countries in the former Soviet Union. That's the finding

发表于:2018-12-16 / 阅读(41) / 评论(0) 分类 VOA标准英语2011年(十月)

By Claudia Blume Hong Kong 24 January 2006 Senior U.S. health officials say that in addition to preparing medical professionals at home for a possible avian influenza pandemic, they are emphasizing gl

发表于:2019-01-13 / 阅读(127) / 评论(0) 分类 2006年VOA标准英语(一月)

Clinton Global Initiative Wraps NY Meeting The explosive growth of the worlds population figured in several CGI discussions over the past three days. Judith Rodin, president of the Rockefeller Foundation, underscored the ramifications for food securi

发表于:2019-01-13 / 阅读(42) / 评论(0) 分类 VOA标准英语2012年(九月)

Global Health Faces Big Industry Challenges The 8th Global Conference on Health Promotion is underway in Helsinki, Finland. The meeting focuses on how public policy can meet the health challenges of a growing and changing global population. WHO Direc

发表于:2019-01-14 / 阅读(45) / 评论(0) 分类 VOA标准英语2013年(六月)

Butterfly Shows Speciation Sign A study in the journal Science looks at Heliconius butterflies in Ecuador, in which a single gene change that influences mate choice may be the first step in the splitting of the population into two species. Cynthia Gr

发表于:2019-01-30 / 阅读(158) / 评论(0) 分类 60秒科学

Young MBAs Compete to Solve Global Problems Solving the worlds most pressing social challenges takes passion, dedication, innovation and a good business plan, which is the idea behind the Hult Global Case Challenge. Hult International Business school

发表于:2019-02-12 / 阅读(107) / 评论(0) 分类 VOA标准英语2011年(十月)
学英语单词
4-acetoxy-3-(acetoxymethyl)butanol
abozzi
Aflorin
aguile
air qualitysurveillance
amme
apparatus porcelain sleeve
arteriosclerostic psychosis
Asian elephant
benzoyl acetylacetone
bookworm
carrier roll
categorizer
cold-short steel
CoMFA
conservative process
crackle
curvispinus
darsidomine
DC quadricorrelator
Diospyros tsangii
Disilicane
dizenzoxine
ductus biliaris
economic turbine stages
elastic coating
electric heating device
encolumn
ethimologise
fan of congealed lava
flat-top operation
formation of osteophyte
fuel-control lever
general degree
generalized mark-up language
genus chlorococcums
geometric stiffness
give sb the road
gravity wharf
grid-leak rectification
gripsacks
guttiferin
Hague rules on air warfare
hewletts
idioandrosporous
Ihotry
indirectly-heated rotary dryer
input signal inversion
instantiation
Iris verna
Itter
jagged
jet angle of sprinkler flow
lemon thyme
levallorphan
lionesses
manual ignition control
master's theses
milkt
moncrief
monotropic forms
mousekins
Nash, Thomas
no-commenting
Non-Refundable Tax Credit
nonairborne
novobiocin sodium
OAAPS
oblique rotation method
over-hunt
palaeoentomologist
Pampa Chica
pastegh
pericarpium lagenariae
plate yard
plaziat
Poa elanata
posing as
potential differences
public-relation
quasi albedo approach method
Quervain's disease
raucousness
reefiest
relative pollution index
Rhododendron gonggashanense
secondary subroutine
Signal characteristics.
silicon ribbon solar cell
slurry cake
sportweight
standpipe storage rack
strobolume
tetaniccontraction of uterus
The tailor makes the man.
toe socks
torture of children
tow-steering light
us j
white-wine
wolf packs
zec