土壤微生物

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(93) / 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(109) / 评论(0) 分类 VOA2003(下)-农业与经济

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(82) / 评论(0) 分类 2011年VOA慢速英语(三)月

This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any

发表于:2018-12-24 / 阅读(92) / 评论(0) 分类 Scientific American(二)月

Don: Time to go again to the A Moment of Science mailbag. A listener writes: Dear Don Yal, I've been reading a lot about climate lately, and I know that the earth stores lots of carbon in different places, like in the ocean and in plants. Are there a

发表于:2018-12-27 / 阅读(74) / 评论(0) 分类 英语时差8,16

The ground here is permafrost, a mixture of soil and ice frozen together. A group of Russian scientists have teamed up with NASA to drill down into it in search of microorganisms. It's work that's bee

发表于:2019-01-02 / 阅读(118) / 评论(0) 分类 火星生命

He wears gloves and cleans his tools with alcohol to avoid contaminating the ancient salt samples with modern microorganisms.

发表于:2019-01-02 / 阅读(169) / 评论(0) 分类 寻访外星人

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(152) / 评论(0) 分类 2018年VOA慢速英语(八)月

Melting Arctic Could be Major Source of Greenhouse Gases The melting arctic permafrost could release methane-producing microbes with the potential to accelerate climate change, according to a new study published in Nature. Lead author Janet Jansson,

发表于:2019-01-04 / 阅读(82) / 评论(0) 分类 VOA标准英语2011年(十一月)

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(121) / 评论(0) 分类 VOA2004(上)--各类新闻

New Antibiotic Found in Human Noses 研究人员在人类鼻子发现新抗生素 The search for new drugs to fight infections has led to a discovery in an unlikely place in peoples noses. What researchers found in noses is a compound called lugdunin

发表于:2019-01-12 / 阅读(83) / 评论(0) 分类 2016年VOA慢速英语(八)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(125) / 评论(0) 分类 VOA标准英语2012年(九月)

Lesson Fourteen 听力部分 Dictation: Please prepare your paper and pen. We keep ____ in the _________ to ______ its _______ and ___________. ________________ keep _________ and inhibit the _____ of most ______. However, ____ spoilage microorganism

发表于:2019-01-14 / 阅读(65) / 评论(0) 分类 王强口语 第二册

About 1500 years ago Chinese settled there, but the Dutch imperialist invaded there in the 17th century. After that, in 1662 Zheng Chenggong, a hero of nation,drove them out. Since 1683 the island was ruled by Qing Dynasty nearly two centuries. Unfor

发表于:2019-01-17 / 阅读(124) / 评论(0) 分类 英语作文

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(100) / 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(160) / 评论(0) 分类 农业与发展

藻类Algae 两栖动物Amphibians 动物习性Animalbehaviour 动物资源Animalresources 节肢动物Arthropods 生物多样性Biologicaldiversity 生物资源Biologicalresources 生物圈保护区Bi

发表于:2019-02-02 / 阅读(106) / 评论(0) 分类 英文语法词汇

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(112) / 评论(0) 分类 英文语法词汇

15.If during this period Lorraine and Mark, not neces- sarily in that order, are stationed at immediately adjacent windows, which of the following can be stationed at window 1 during this period? (A) J

发表于:2019-02-18 / 阅读(67) / 评论(0) 分类 实用英语

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(118) / 评论(0) 分类 英文摇滚歌曲
学英语单词
abnormal chromosome numbers
abramiss
absolute viscosities
aneuploidies
apical cap
b. subtendinea m. tibialis anterioris
ball-bearing hinge
bay yarn
brachioneus
brine sludge
cafa
cat's eye gem
Catteruccia
caywood
Chlorovirus
class A power amplifier
cogovern
collectivizations
continuous suspension girder
controls and displays subsystem
conversantly
conveyor type veneer dryer
copied
cream puff
cropper machine
demercuration
dichotic
Dioryctria splendidella
Dobcross loom
downbent
duplicate positive
EAT-wt
elaborately
elevation (elev)
emission flux
enzinopsis menkeana
feeding auger
Filler text
flood protection work
four-cheese
fourth wire
fuads
galliambic
gamma - aminobutyric acid
gaubart
grid-eye fish
haggetts
hazards with nuclear reactors
hemorrhagic necrosis
iie
indices of a direction
intelligent computer aided design
Intermediate Clause
intermediate shop
jetty clause
jungle circuit
jurisdictional immunity of foreign state vessels
liege
liquidities
loggy
magnetofluid separator
marine microbial physiology
Marshall compaction hammer
mary queen of scotss
Mbinda
membranous viscerocranium
microscopico-
minimum plate height
mocimycin
Molini, C.
monitor linearity test
opposition of propositions
optical transmission equipment CATV
orthonormalised
packaged refinery
paired pulse
paradoxical sleep
penupogein
percentage of punctuality of trains running to total trains
phenaphthazine
plastic deformation of glass
pole tip
preunderstanding
Richardson's spray-producer
ring and circle shear
rise in swarms
sawn-in sewing
self-developing film
single-roll caster
sour crud
spectacled caimen
standard slip
take the part with
terminator cap
tetraiodo-ethylene
Theodore I
top - down management
two-leg
user layer
Venus' comb
viniligenic
xanthoxoline