土地有机磷

AGRICULTURE REPORT - Don't Know Much About Mulch?By George Grow Broadcast: Tuesday, January 24, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Mulch is important to farmers. M

发表于:2018-12-07 / 阅读(151) / 评论(0) 分类 2006年慢速英语(一)月

This is the VOA Special English Agriculture Report. Earlier this month, Michelle Obama and twenty-three schoolchildren helped prepare the ground for an organic vegetable garden on the South Lawn of the White House. The first lady showed the young ga

发表于:2018-12-07 / 阅读(149) / 评论(0) 分类 VOA慢速英语2009年(三)月

This is the VOA Special English Agriculture Report. Earlier this month, Michelle Obama and twenty-three schoolchildren helped prepare the ground for an organic vegetable garden on the South Lawn of the White House. The first lady showed the young gar

发表于:2018-12-07 / 阅读(140) / 评论(0) 分类 2010年慢速英语(三)月

Podcast is sponsored from the people of American Chemistry, who provide the plastics, medicines, and innovations that make life modern. Learn more at americanchemistry. com. This is Scientific American's 60-Second Science, Im Karen Hopkin. This will

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 Scientific American(七)月

In side-by-side plots of strawberries grown organically or conventionally, the organic berries had more vitamin C and the soil was more biologically active. Molly Webster reports 通过对用有机方式培育的草莓和用传统方式培育的草莓进

发表于:2019-01-02 / 阅读(177) / 评论(0) 分类 60秒科学

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(190) / 评论(0) 分类 医务英语

By Mario Ritter Broadcast: September 9, 2003 This is Steve Ember with the VOA Special English Agriculture Report. For many people, growing crops on a small piece of land is not a business. For them, a

发表于:2019-01-04 / 阅读(244) / 评论(0) 分类 VOA2003(下)-农业与经济

It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(232) / 评论(0) 分类 Scientific American(四)月

[00:05.49]Reading [00:08.36]A PIONEER FOR ALL PEOPLE [00:12.43]He wants everyone to call him a farmer,for that's how he regards himself. [00:19.28]Although he is one of China's most famous scientists, [00:24.45]Yuan Longping works the land to do his

发表于:2019-01-10 / 阅读(336) / 评论(0) 分类 高中英语人教版必修

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(144) / 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 fo

发表于:2019-01-11 / 阅读(183) / 评论(0) 分类 英语每日一词

Agriculture Report - Using Charcoal to Make Soil Into Black Gold Scientists show a way to improve soil quality with ''biochar.'' Transcript of radio broadcast: 05 May 2008 This is the VOA Special English Agriculture Report. The dense Amazon rainfore

发表于:2019-01-11 / 阅读(145) / 评论(0) 分类 VOA慢速英语2008年(五)月

Why mulching is one of the best things to do for plants. Transcript of radio broadcast: 14 July 2008 This is the VOA Special English Agriculture Report. Mulch is spread in a city park in Atlanta, Georgia Mulch is important to farmers. Mulch is a pro

发表于:2019-01-11 / 阅读(173) / 评论(0) 分类 VOA慢速英语2008年(七)月

This is the VOA Special English Agriculture Report. Soil naturally contains harmless amounts of lead, along with other metals. Because of pollution, however, the amounts are higher the closer you get to cities and towns. But experts say this should

发表于:2019-01-11 / 阅读(179) / 评论(0) 分类 VOA慢速英语2009年(六)月

This is the VOA Special English Agriculture Report. Spreading mulch Mulch is important to farmers. Mulch is a protective cover of material that is spread on top of soil. It is usually made out of organic material, like crop waste. Farmers may keep t

发表于:2019-01-11 / 阅读(166) / 评论(0) 分类 VOA慢速英语2007年(四)月

AGRICULTURE REPORT - Study Points to Risk in Common Method of Enriching Soil By Jerilyn Watson / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. For more than half a century, many farmers worldwide have a

发表于:2019-01-11 / 阅读(186) / 评论(0) 分类 VOA慢速英语2007年(十一)月

AGRICULTURE REPORT - September 3, 2002: Mulch By George Grow This is Bill White with the VOA Special English AGRICULTURE REPORT. Mulching is one of the best things people can do for their plants. Mulc

发表于:2019-01-30 / 阅读(198) / 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(258) / 评论(0) 分类 农业与发展

Listen to the dialogues and fill in T for True, F for False. 英语对话1 A:Does this plant need a lot of sunlight? B:Yes, it's a dessert plant. 英语对话2 A:Should this plant be watered everyday? B:No. twice a week will be enough. 英语对话3

发表于:2019-02-17 / 阅读(240) / 评论(0) 分类 英语听力练习题
学英语单词
Adler anomaly
anchorage space
anti-motion-sickness
apma
appendment
azylene
bactofugated milk
Bittkau
cacophonous
call-a-thon
challenge the aircraft
chemically reduced printed chicuit
churns out
circulation of national income
City of Westminster
consperse
covert observation
Cuprenil
Cyclobalanopsis repandifolia
dayr ali
depository rights
differential incremental backup
Dzwirzyno
efters
encyclopedists
end points
euroissues
gaseous radwaste
Gaulist
germ ball
given forth
glycosaminotriose
gobbies
green rosette
hero complex
hetamer
high silica iron
hog middle
holiday camp
homochain polymer
hot waters
hydroxynybomycin
illiberis laeva
kainin
knee restraint
lawful arrest
Limerick lace
lip balms
liponorm
loyalty punch card
lumberman's saw
melanotrichia
microdontia, microdontism
model propeller drive
mouth cone
nasariyah
negative-phase-sequence reactance
oblidge
olguin
on attachment
Pancoast's drain
parahippocampal gyri
Pasquotank County
pixelations
porn flick
pre-ordain
product phase
przybylski
ranachrome
range of response
reddring
refeed line
repeaterless
reverse modulus of continuity
salvings
scanning plotter
secondary montion
seedling grading machine
sequential response model
share-of-voice
shipboard integrated man-machine system
shuttle feeder
single sideband system
skim gate
slick mill
soap milling
solar radio noise storm
sports boat
sprinkling pipe hand wheel
stability simulation
stand in amazement
stone martens
superdestructive
tetranitrides
Tom Stoppard
total rake
tsarevich
turkey buzzard
turnham
utilization management
waterlocked
Zummo