肥沃性;作物生产力

AS IT IS 2013-04-29How India Has Become an Important Market for Developers of Solar Energy Welcome to AS IT IS, a daily show from VOA Learning English. Im Christopher Cruise. Today, we report on how India has become an important market for developers

发表于:2018-12-16 / 阅读(27) / 评论(0) 分类 2013年VOA慢速英语(五)月

AS IT IS 2013-09-04 India Expands Solar Power 印度大力发展太阳能发电 Welcome to As It Is, a daily show from VOA Learning English. Im Christopher Cruise. Today, we report on how India has become an important market for developers of solar e

发表于:2018-12-16 / 阅读(34) / 评论(0) 分类 2013年VOA慢速英语(九)月

The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei

发表于:2018-12-19 / 阅读(110) / 评论(0) 分类 彭蒙惠英语

By Bill Rodgers Washington 19 May 2008 The Green Revolution is a good example of how technological advances can have a dramatic effect on economic development - in this case on food production. Other technological innovations are helping to improve a

发表于:2019-01-13 / 阅读(40) / 评论(0) 分类 VOA标准英语2008年(五月)

At age 89, Mary Fasano graduated with a bachelor s degree from the Extension School last week and entered the history books as the oldest person to earn an undergraduate degree at Harvard. Following is the speech she delivered -- The Power of Knowled

发表于:2019-02-04 / 阅读(53) / 评论(0) 分类 阅读空间

The charts compare the source of electricity in Australia and France in the years 1980 and 2000. Between these years electricity production almost doubled, rising from 100 units to 170 in Australia, and from 90 to 180 units in France. In 1980 Austral

发表于:2019-02-25 / 阅读(73) / 评论(0) 分类 托福英语
学英语单词
a thug
AACSs
Abeceb
aerodynamic reaction
alar del rey
alkaline corrosive battery fluid
azeotroping
azonia
Baisha Formation
Bollinger body
Camellia euphlebia
capitulates
chesapeake bay retrievers
colourcasting
commercial computer
control cell method
Cristoforo Colombo
Cuprocin
defensive climate
deutero-albumose
development of coast profile
drid area
egg-shell
end slipway
epistemics
erizepine
evenly spaced energy level
field-desorption mass spectroscopy
first lateral suture
foreseeable losses
Glyn Ceiriog
goldfarb
guarantee system
hardware selection criteria
hinchliffes
horrider
huntest
Impatiens bicornuta
inconvertible notes
individual industrial and commercial household
intercilium
internal balance(mather 1953)
irfan
irratable
laemodonta bella
lark about
lodlike
man-machine oscillation
map of potential natural vegetation
metal marker
Mgeta
microbrachids
misallies
multilemeth
myositis trichinosa
nitrosohydroxylamines
nonreceptor
official invoice
oiled cloth
oleobalsamic
open registration
optical memory
Osuchy
parallel screw thread
peak stress intensity
Pedicularis aurata
periencephalomeningitis
Pseudodefloration
pulse-taker
Roginskogo, Ostrov
Salieri
screwsocket
self-evidency
settlement duty
sharpshinned
Simon the Canaanite
single pass gain
siphonaxanthin
sit in cases of summary procedure
slide unit
socio-cultural evolutionism
special purpose language
spiral pin
spycraft
Sredetska
steady stability
swimming vortex
system r
tee branch
theoretical distribution
tibetan high
topographic lineament
two-rolls
ultra-pressure pump
waerebeek
wait in
wallie
Weddell seal
wetting phase
wind-electric
wise-crackings
withdrawal device