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River Basins Could Help Ensure Food Security The worlds major river basins may hold the key to doubling food production in the coming years. The idea was discussed at the 14th World Water Congress in Brazil. A new report says while water shortages do

发表于:2018-12-16 / 阅读(39) / 评论(0) 分类 VOA标准英语2011年(十月)

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 作品简介 : curi射狐狸 方向键的 键控制方向,空格键射击

发表于:2019-01-08 / 阅读(44) / 评论(0) 分类 英语娱乐小游戏

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith. March seventeenth is Saint Patrick's Day, a time to celebrate Irish culture. The Census Bureau says that in two thousand seven, thirt

发表于:2019-01-11 / 阅读(42) / 评论(0) 分类 VOA慢速英语2009年(三)月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(107) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(64) / 评论(0) 分类 自然百科2009年

By Sonja Pace Heiligendamm 07 June 2007 Leaders of the world's richest industrial nations wind up their three days of meetings in northern Germany on Friday. Their last day is to be devoted mostly to Africa - alleviation of poverty, debt relief and a

发表于:2019-01-26 / 阅读(67) / 评论(0) 分类 2007年VOA标准英语(六月)
学英语单词
3H-DHA
a woman of the world
abstruct
accelerated mission test
administrative jurisprudence
alphanumeric representation
American hookworm
angor abdominis
antiauxin
argillic
azo radicals
Baragua
blow-torch
boron-absorption technique
buoyancy moisture meter
cacotrophy
chaulmoogra trees
childhood-obesity
Coffeen Lake
compensating needle valve
conversation
conviction of crime
Coulanges-la-Vineuse
course of disease
creditor's account
diencephala
digital encoder
Downside School
dummy section
duodenoscopy
emperor penguin
erecting telescope
Eustral
factor of model
family machine
fan drill rig
final quantity discharged
foresaddle
frequency selective amplifier
Gardouch
half-sine shock pulse
hammer stock machine
Hastings, Warren
henricians
hexylresorcinol
hussam
ifr over-the-top
ink surface tension
interpeak
interwreathe
isochondodendrine
isomasticadienonic acid
Klagetoh
kuklin
ladies' slipper
linear bounded automata
material dispersion coefficient
menuing
nixtamalization
non-polar double bond
Oh.
oratorios
Papineauville
Perroni
physical distribution
piu
playspot
plegiocidaris
pole piling
polyaddictions
polymethylene
post-tridentines
Primula incisa
privacy act
record position
right handed moment
ring shaped mold
Roman-nosed
roping
Rosenthal vein
saunters
scarus hypselopterus
segregated ballast condition
semilogarithmic coordinate paper
service level agreements
soap flaking
string bark
Sulima
Takko
Tell, Reg.du
tendon introducer
tiba
time-sharing polling
two row check row planter
ultrasensitively
UNCF
uncondescendable
volia
western chokecherry
wind ensemble
word stress
yuries