[岩] 沉积物有机岩相学

But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough

发表于:2018-12-07 / 阅读(122) / 评论(0) 分类 火星生命

By Mario Ritter Broadcast: July 8, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Recently, a listener in Nigeria told us about an organization called World-Wide Opportuniti

发表于:2018-12-07 / 阅读(152) / 评论(0) 分类 VOA2003(下)-农业与经济

Blended Organic-Conventional Farming Could Feed World In rural Maryland, an hour-and-a-half drive from Washington, Bill Mason is tilling his fields to plant organic maize and soybeans. About two-thirds of his 340 hectares are organic, but not all of

发表于:2018-12-08 / 阅读(164) / 评论(0) 分类 VOA标准英语2012年(六月)

Agriculture Report - The Limits to Organic Farming in Feeding the World This is the VOA Special English Agriculture Report. Organic farming avoids the use of chemical pesticides and manmade fertilizers. Supporters say organic farming is better for th

发表于:2018-12-16 / 阅读(96) / 评论(0) 分类 2012年VOA慢速英语(五)月

By Steve Baragona Washington 29 October 2009 Garden pest As farmers across the United States are bringing in the harvest, silos are filling up with record or near-record quantities of corn and soybeans. To an extent not seen anywhere else in the wor

发表于:2018-12-16 / 阅读(144) / 评论(0) 分类 VOA标准英语2009年(十月)

The United States space agency says its Mars exploration vehicle has discovered chemical substances necessary for life. Scientists reported that NASAs Curiosity rover found large amounts of organic molecules in 3.5 billion-year-old rock in an area ca

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 2018年VOA慢速英语(六)月

Broadcast: Mar 17, 2003 Rain hits the 1) shingles on the large covered porch that leads up to David Masumoto's farmhouse. From the porch he can see 90-year-old 2) raisin 3) vineyards his family has te

发表于:2019-01-03 / 阅读(173) / 评论(0) 分类 VOA2003(上)-科技先知

Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm

发表于:2019-01-11 / 阅读(139) / 评论(0) 分类 VOA标准英语2008年(八月)

AGRICULTURE REPORT – June 25, 2002: Organic Farming Study By George Grow (Photo -Scott Bauer) This is the VOA Special English Agriculture Report. Agricultural scientists in Switzerland have demonstr

发表于:2019-01-11 / 阅读(119) / 评论(0) 分类 农业与发展

A melon field is pictured at a farm in the village of Djilakh, 80km south of Dakar, Senegal on 22 Apr 2008 (file photo) African farmers are making more money producing organically grown crops for European markets, where demand for healthier food is g

发表于:2019-01-11 / 阅读(130) / 评论(0) 分类 VOA标准英语2010年(四)月

AGRICULTURE REPORT — November 12, 2002: Organic Food Labeling By Mario Ritter This is the VOA Special English Agriculture Report. Last month, Secretary of Agriculture Ann Veneman announced a program

发表于:2019-01-11 / 阅读(138) / 评论(0) 分类 农业与发展

今天我们要学的词是organic。 Organic, 有机的,绿色的。 Organic product, 有机产品。近年来,美国很多消费者开始崇尚绿色、有机食 品。不过,统计数字显示, Organic food accounted for only 3.5% of the f

发表于:2019-01-11 / 阅读(123) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是organic。 Organic, 有机的,绿色的。 Organic product, 有机产品。近年来,美国很多消费者开始崇尚绿色、有机食品。不过,统计数字显示, Organic food accounted for only 3.5% of the fo

发表于:2019-01-11 / 阅读(147) / 评论(0) 分类 英语每日一词

MobileRestaurantRedefinesGreen,Organic In major metropolitan areas across the United States, food-vending trucks have become a common sight. For the truck merchants selling everything from fresh vegetables to fast food to fancy meals, they are an eas

发表于:2019-01-11 / 阅读(127) / 评论(0) 分类 VOA标准英语2011年(九月)

Agriculture Report - The Limits to Organic Farming in Feeding the World This is the VOA Special English Agriculture Report. Organic farming avoids the use of chemical pesticides and manmade fertilizers. Supporters say organic farming is better for th

发表于:2019-01-12 / 阅读(159) / 评论(0) 分类 2012年VOA慢速英语(六)月

More Land Being Used for Organic Farming More land around the world is being dedicated to organic farming. The Worldwatch Institute says since 1999 theres been a more than three-fold increase to 37 million hectares. Organic farming is farming without

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 VOA标准英语2013年(一月)

SCOTT SIMON, HOST: Organic milk is widely available these days, but what does that label really mean? A new Washington Post investigation found that there are considerable differences between the organic milk you can buy in a grocery store and the ki

发表于:2019-01-17 / 阅读(109) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Voice 1 Hello. Im Marina Santee. Voice 2 And Im Elizabeth Lickiss. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Milk chocola

发表于:2019-01-19 / 阅读(130) / 评论(0) 分类 环球英语 Spotlight

AGRICULTURE REPORT – July 30, 2002: Chemicals on Organic Food By George Grow (Photo -Scott Bauer) This is the VOA Special English AGRICULTURE REPORT. Farmers who grow organic food do not use chemica

发表于:2019-01-30 / 阅读(156) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(217) / 评论(0) 分类 农业与发展
学英语单词
air fixed capacitor
airborne lift
aircraft role equipment
amount of substance concentration
antiquary
arouras
astronomical position finding
backward-rotating wave
bakeprofen
bangiophytes
bellerophontids
bipolaris sacchari
blue vulva
boring machine pillar
brain trusts
burst forming unit
cash-in-transit policy
cisterna
clone trial
CMC
cold-drawn steel wire
conquestor
crossover valve
danida
decay missing filling tooth
delvauxites
diode cathode
direct-fired kettle
error queue element
exit to
fentener
fitsky
gaining access
gd (gravity damper)
hagen-poiseville law
highly contagious
homards
hydraulic hitch system
I'm afraid so
incudectomy
jahn teller effect
Karapiro, L.
leavish
Licq-Athérey
Lolard
low-lipid lipoprotein
Malek Sīāh, Kūh-e
medailles
meroplius fasciculatus
mobilegrease
ms stereo
mugs' games
mus domesticus
muttsy
neutro-saline
not just another pretty face
occupational scheme
oil-well cement
Optional Surcharge
perennialize
pin hole
plexus sympathtici
pneumatic gripping device
point of presence,POP
Preb.
probe a mystery
processus maxillaris (oss. zygomaticus)
pseudocercospora diospyri-morrisianae
renewal of facing
root-rot of conifers (trametes radiciperda r. hartig)
rotating drum relay
Rubber Trade Association Clauses
Saida
Sclaventerol
shell-burst
short-arc lamp
smartdrvs
sorexes
spiropoachysine
spontaneous magnet
springhouse
stereotyped command
stopper
stovepiped
surface heat source
susianas
Suur Munamägi
symboleography
synthetic substances
thermal effusion
tone cluster
tribometric
tuataras
Tumba, L.
two-bank radial engine
unstandardized
urgemeter
vaselike
wall boundary layer
water dressing
water-gas producer
windrower