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(147) / 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(160) / 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(130) / 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(173) / 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(162) / 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(175) / 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(233) / 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(217) / 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(133) / 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(170) / 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(134) / 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(176) / 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(107) / 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(181) / 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(157) / 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(218) / 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(166) / 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(166) / 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(123) / 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(180) / 评论(0) 分类 英文摇滚歌曲
学英语单词
Americunts
angle of incurvature
anthophyllite
antinomycosis
apparatus derivatorius
artisanship
Assembly of First Nations
babified
bacterioides fragilis
balige (blega)
barrowed
Betaprone
bilibilite
bookending
bracteole
Buitenpost
C9
can you tell us
class hexapodas
cohune palm
complemented modular lattice
congenital methemoglobinemia
corylus heterophylla fisch
courtbred
crecine
dandiprat
descends from
dicksees
digital data computer
dismask
distilled beverage
dukesup
entreatment
external auditor
ferrobustamite
fibre opener
Fortore, Fiume
George Sandism
gestible
gold export and import
group-think
gushers
gwion
hybridizations
integration of labourers with means of production
isoquinine
it'th
just shoot me
Lactuca formosana
laser hardening
leonte
lime storage
Microcystis
mittlingen
molar Helmholtz free energy
Mona Canyon
named source file
neck-journal bearing
necrophilism
Neo-Fradin
non-uniform stream
omaha
open-concept
perfectly inelastic demand
phosphoramide
phtotoxis
poor performance
pre-employment
pucciniastrum circeae
pugnacity
read-and-react
reserve factor of mine reserves
retaining yin with astringent
Rt. Hon.
Sak
salonas
sand buckle
seamheads
serologic identification
shrieved
signal impairment
simulation clock
slemp
snafuing
soil environment indicator
soil exploration
solictors
space winding
spending limit
spermatocytal
syntax-controlled generator
theoretical prediction
tomo seiscrop section
transactors
turbaries
vehicle emission
vesiculoviruses
Vienna powder
was sent
went too far
white leprosy
Xuande ware