加速曝气池

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

发表于:2018-12-24 / 阅读(135) / 评论(0) 分类 Scientific American(十)月

In April of 2005, Jacques Chirac and the German Chancellor at the time, Gerhard Schrder, announced plans to spend over a billion euros on a joint French-German search engine to compete with the American company Google. The project would be called Qu

发表于:2018-12-30 / 阅读(118) / 评论(0) 分类 初级商务英语听力2007

Police say Kansas city chiefs Land backer Jill Billt has failedly shot his girlfriend early Saturday, he then drove to Aeroheads stadium commits suicide, and found by his coach and general manager, used to be a force player. Two people were killed in

发表于:2019-01-11 / 阅读(181) / 评论(0) 分类 美联社新闻一分钟2012(十二月)

AS IT IS 2016-06-14 Indoor Farming Industry Is Growing Fast 室内养殖产业快速增长 As experts warn of a coming food crisis, the vertical farming industry aims to create plants that offer more nutritional value and require fewer resources. In

发表于:2019-01-12 / 阅读(143) / 评论(0) 分类 2016年VOA慢速英语(六)月

Victor Otazu, a aeroponic specialist with the International Potato Center, tends to some aeroponic potato plants in Nairobi, Kenya Kenyans love to eat maize. It's the country's favorite food. But researchers at the Kenya Agricultural Research Institu

发表于:2019-01-13 / 阅读(144) / 评论(0) 分类 VOA标准英语2010年(六)月

Voice 1 Thank you for joining us for todays Spotlight program. Im Mike Procter. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. V

发表于:2019-01-19 / 阅读(160) / 评论(0) 分类 环球英语 Spotlight

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 -- aero 空气 aeroplane= aero空气+ plane飞机飞机 aerial= aer空气

发表于:2019-01-21 / 阅读(133) / 评论(0) 分类 英语PK台

Frozen Smoke 固体烟 Male: What's as light as smoke but strong as a brick? Female: I'm gonna take a while guess and say... aerogel ? Male: Sorry,yaoyao,the answer is... Wait a second! Did you say aerogel ? How did you know? F:Yeap! Did you know tha

发表于:2019-01-26 / 阅读(105) / 评论(0) 分类 英语听力文摘 English Digest

By Heda Bayron Hong Kong 02 August 2007 U.S. scientists say clouds of man-made haze that blanket southern and eastern Asia are helping accelerate the melting of the Himalayan glaciers. VOA's Heda Bayron reports from our Asia News Center in Hong Kong

发表于:2019-02-05 / 阅读(132) / 评论(0) 分类 2007年VOA标准英语(八月)

1. Rescue teams have reached the epicenter of China's massive 7.9 magnitude earthquake. Chinese media report fewer than 100 people have been saved in Sichuan Province. Nearly 15, 000 have died and the number is expected to go even higher. 2. Authori

发表于:2019-02-11 / 阅读(168) / 评论(0) 分类 美联社新闻一分钟2008年(五)月
学英语单词
-metra
a mantle of snow
aircraft store
analytical hierarchy process (ahp)
angioregulatory
atmospheric stratification
awareness message
Bacillus casei
bag hides
ballsed up
basic bessemer process
bulk structure
card capacity
carried set
cirsium pendulum fisch.
constant acceleration
crushing-screening facilities
database oriented tool
day games
daybook journalism
demodulation polarography
deutzia hookeriana (schneid.)airy-shaw
dogside
domestication wild plants
drop structure
etabenzarone
euro-credit
exchange marry
fastness to fadeometer exposure
favower
foot-in-mouth disease
fuel assembly fall
furnace plan area
gikens
glasnostic
go backward
Guadalupe Mountains
hashout
HCLP
hidi
hierarchical simulation
hopital
hot soarfing
hysterotabetism
immunologic deficiency
Iris psammocola
Khartsyzsk
Klliker
laigh
Langue d'oc
laser pickoff
lawn and garden tractor
lebenberg
Lefka
lithiations
loctal base
look as if butter would not melt in one's mouth
make-over
mellon jelly
menstrual headache
misogynously
mold crack
monolith quay wall
Neumann function
neurallergy
no-discharge operation
olean
order for account
organosilicons
over-inclusiveness
pars maxillaris (marginis aditus ad orbitam)
petroleum base additive
plate stretcher
pneumobronchotomy
Poinsett, L.
pollutional condition
principled
red sauce
rheumatoid pneumoconiosis syndrome
Rudraprayāg
sabot heart
Saint-Esprit
sarcoma of uterus
say peaturkey
se-condary aberration
selen
set free
setleis' syndrome
shuttle loader
Simon Peter
specific cost
steel pipe
stick it
tasar-muga
term of validity of offer
trading booth
travestied
uninsurable title
untaste
vitaminBt
warning indication
worm-holes