高腐有机土壤物质

Passage 21 Soils There are many different kinds of soils. Different soils have different types of rock and minerals in them than other. Some soils have more water in them than others. Some soils might have more plant and animal material in them, too

发表于:2018-11-30 / 阅读(230) / 评论(0) 分类 英语专业四级听写

AGRICULTURE REPORT - February 5, 2002: Soil Conservation Methods By Gary Garriott 04 Feb 2002, 18:39 UTC This is the VOA Special English Agriculture Report. Soil conservation efforts protect soil from

发表于:2018-12-07 / 阅读(119) / 评论(0) 分类 农业与发展

By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.

发表于:2018-12-07 / 阅读(132) / 评论(0) 分类 VOA2003(下)-农业与经济

This is the VOA Special English Agriculture Report. Mulch is material spread over soil. It protects against wind and rain damage. It can also limit weed growth. Finding materials for organic mulch can be easy. Small pieces of tree bark or cut up lea

发表于:2018-12-07 / 阅读(63) / 评论(0) 分类 VOA慢速英语2009年(六)月

This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Builders in developing countries are often not required to build strong buildings. So, when a disaster strikes, the damage is often widespread. 发展中

发表于:2018-12-07 / 阅读(106) / 评论(0) 分类 2011年VOA慢速英语(三)月

Prince Harry has arrived back in London after his Afganistan adventure This wasn't the day he expected or wanted to come back, but back he had to come and quickly. Along with 170 other soldiers flown back from Afghanistan. Prince Harry's return beca

发表于:2018-12-11 / 阅读(97) / 评论(0) 分类 万花筒2008年

Even the dirt on the ground is likely making climate change worse, a new study finds. Researchers have shown that warmer temperatures are heating the soil, which is causing microbes to become more active and release more of the soils carbon into the

发表于:2019-01-03 / 阅读(185) / 评论(0) 分类 2018年VOA慢速英语(八)月

Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t

发表于:2019-01-04 / 阅读(145) / 评论(0) 分类 VOA2004(上)--各类新闻

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(113) / 评论(0) 分类 VOA慢速英语2008年(七)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(115) / 评论(0) 分类 VOA慢速英语2007年(四)月

Agriculture Report - Feed the Soil, Feed the Crops This is the VOA Special English Agriculture Report. Studies show farmland in Africa is often lacking in important nutrients. But researchers say a combination of farming methods may help. Since the w

发表于:2019-01-12 / 阅读(164) / 评论(0) 分类 2012年VOA慢速英语(九)月

Feed the Soil, Feed the Crops If African farmers are going to feed the continent, they may first want to feed the soil. Studies show farmland is often depleted of vital nutrients. But researchers say a combination of organic farming methods may help.

发表于:2019-01-13 / 阅读(151) / 评论(0) 分类 VOA标准英语2012年(九月)

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(135) / 评论(0) 分类 VOA标准英语2014年(二月)

Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h

发表于:2019-01-14 / 阅读(134) / 评论(0) 分类 VOA标准英语2014年(七月)

Pioneering Soil Researcher Wins Top Environment Prize Biologist Diana Wall went to the ends of the earth - the seemingly lifeless Antarctic desert - to study the life in soil. What soil life does for us, it provides us with many benefits that we don'

发表于:2019-01-14 / 阅读(101) / 评论(0) 分类 VOA标准英语2013年(四月)

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(143) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT - Cover Crops Are Good for the Soil (and the Farmer) By Mario Ritter Broadcast: Tuesday, May 24, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Cover crops are

发表于:2019-01-30 / 阅读(127) / 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(188) / 评论(0) 分类 农业与发展

Soil、earth、ground和land都可以表示地面,但这四个词的用法有很大的区别。一起来看看吧! soil意为:泥土、土壤,尤指生长植物的土地。或国家、国土。 The trees have rooted in the rich soil. 树木在肥

发表于:2019-02-18 / 阅读(139) / 评论(0) 分类 英文语法词汇

time will not stand still today is the day, the day of salvation living for more than just synthetic force fed existence this is my disposition I will strive for the truth time will not stand still today is the day, the day of salvation living for mo

发表于:2019-03-02 / 阅读(147) / 评论(0) 分类 英文摇滚歌曲
学英语单词
a priory alien
a-party
aaIii
abbreviationitis
alfameter
Alphitonia philippinensis
apocarp
ashrama
asteracea
auxiliary feeder
axonometrical drawing
baekyong do (paekyong do)
ball swage
bereave of
blastopsephitic texture
card restore
composite commodity standard
conulid
cooling heat loss
crea-ture
curved diretrix
cystamine
Damoiseau's sign
delay conditioning
Dizful
domification
dynamic integrity
engineering service channel
erythrina caffras
ex-interest
ferdinand von zeppelin
fibre modification
film penetration theory
flouncier
freedom of enterprise
fumerell
garbers
gassing of copper
go stop
hold a court
hyobranchial cleft
idiozona
internal examination
inverted loop
iophocyte
jellylike mass
kephale
Koska
lagered up
Lauzès
m'clure strait
Martin Ryle
medical ultrasonic atomizer
mercury vapor pump
micro-circulation
Microsoft Point to Point Encryption
monofilament
noise precaution
nonmagnetic watch
nosogeographical
notice me
olympic bronze
other-than-humans
pachman
package body
pilary
plant morpho-anatomy
posthepatitic jaundice
put something out to tender
pyrazolinyl
Pyrus phaeocarpa
quasiregular
radial-type ripper
reasoning strategy
red-hard steel
reduction-oxidation
retreatism
riding one point anchors
rubber-supported screen
sales call norms
score through
states of bahrain
strigula elegans
supplementary chord
suspended tray conveyor
TAEA
takeup motion
tambja morosa
tayassus
Tempe
thread alternating
tongue stock
toroidal pinch
tympano-periotic bone
uk -wear
Ulmus macrocarpa Hance
up-keep of boundaries
upright picture
visceral anesthesia
wavenumber filter
wheel ratchet
xirtam