土壤生物

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(67) / 评论(0) 分类 2006年慢速英语(一)月

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(98) / 评论(0) 分类 VOA2003(下)-农业与经济

Rock-Consuming Organisms Alter Views of Life Processes LOS ANGELES Kenneth Nealson can be described in many ways, including expert in microbiology and biochemistry. But that's not the one he is most proud of. People call me the 'father of Shewanella,

发表于:2018-12-08 / 阅读(67) / 评论(0) 分类 VOA标准英语2015年(一月)

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? Theres a cool new Web siteand iPhone appthat could come in handy in a wide variety of circumstances. Its called Time Tree. And it tells you how closely related any two org

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 Scientific American(九)月

92 注意街头食品的卫生 DEVELOPMENT REPORT September 10, 2001: Street Food SafetyBy George Grow (Start at 1'01

发表于:2019-01-02 / 阅读(75) / 评论(0) 分类 科技之光

In so doing, I reached a frontier of biology so strange, so rich, 通过这样的方式,我来到一个非常古怪却又非常丰富的生物学领域, that it seemed as though it exists on another planet. 简直就像降临到别的星球一样。

发表于:2019-01-03 / 阅读(82) / 评论(0) 分类 TED演讲科学篇

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(113) / 评论(0) 分类 VOA2004(上)--各类新闻

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(五)月

[00:11.60]WARMING UP [00:16.04]How many new uses can you think of for the folowing items? [00:36.49]reminds us of the appearance of nanotechnology, [00:53.76]according to which nothing is useless and [01:04.91]no garbage or waste material to speak of

发表于:2019-01-10 / 阅读(214) / 评论(0) 分类 高中英语人教版高一年级

The Next Big Thing in Agriculture May Be Very Small From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Today we tell how some extremely small organisms may help meet our food needs in the future. Then,

发表于:2019-01-12 / 阅读(50) / 评论(0) 分类 2014年VOA慢速英语(六)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(63) / 评论(0) 分类 VOA标准英语2013年(四月)

DEVELOPMENT REPORT - Cooking Meals With the Sun for FuelBy Jill Moss Broadcast: Monday, August 21, 2006 I'm Gwen Outen with the VOA Special English Development Report. Millions of people around the wo

发表于:2019-01-30 / 阅读(89) / 评论(0) 分类 2006年慢速英语(八)月

61 嗅觉灵敏的小猎犬 DATE=7-3-01 TITLE=AGRICULTURE REPORT - Beagle Brigade BYLINE=George Grow (Start at 1'00

发表于:2019-01-30 / 阅读(92) / 评论(0) 分类 文化聚焦

56 自然原因导致夏季食物中毒比率偏高 DATE=6-12-01 TITLE=AGRICULTURE REPORT - Food Poisoning in Summer BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(87) / 评论(0) 分类 科技之光

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(108) / 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(151) / 评论(0) 分类 农业与发展

For most of that time of life on Earth, living organisms have been relatively simple -- single cells. 地球的大多数时间,生物体多是以简单的单细胞存在的。 But they had great diversity, and, inside, great complexity. 但是它们是

发表于:2019-02-14 / 阅读(66) / 评论(0) 分类 TED演讲教育篇

But of course, life is more than just exotic chemistry. 但是当然,生命不仅仅是奇异的化学物质。 How do you stabilize those huge molecules that seem to be viable? 那是怎么稳定那些大量的、似乎有存活的分子的呢?

发表于:2019-02-14 / 阅读(69) / 评论(0) 分类 TED演讲教育篇

Im Anna Matteo. And Im Christopher Cruise. Today we tell how some extremely small organisms may help meet our food needs in the future. Then, we report on an American project to save endangered orchids. Finally, we tell about the discovery of what Br

发表于:2019-02-16 / 阅读(47) / 评论(0) 分类 英语语言学习

In 1969, in an attempt to bring some order to the growing inadequacies of classification, 1969年,为了整理一下越来越显得不足的分类法, an ecologist from Cornell University named R. H. Whittaker unveiled in the journal Science a pr

发表于:2019-02-17 / 阅读(107) / 评论(0) 分类 万物简史
学英语单词
a carrier
Aknīste
aldoxide
alizarin cyznine green
alternating-current distribution
alvins
antiseptics No 1 for papermaking
aseptic fever
atrophic skin
axiomesio-incisal
bailer or baler
basal ganglia
batch reactification
bronchocephalitis
bronze-coloureds
budinger
cardiac block
cascade of erbium-doped amplifiers
Chhala
Chlorocodon wheiteii
claries
coenosia cingulata
commercial customer
counterweight block
crystal pulling technique
de-skilling
discussure
disendorse
dry rots
dymocks
eni
envelope detectro
fall on ... knees
family Sylviidae
fast(-)track authority
fixed-block control system
fundamental frequency combining
goods line
Hofmeyer
Ilex jinyunensis
Ingatorp
Katsuyama
knock-knee
La Fayette
lamentation
lay up refund
Lidocine
linear stochastic hypothesis
local identity
magnifying lens
MBU
melaminoformaldehyde resin
microextrusions
microphotogrammeter
mining tunnel
modeling light
moderate skewness
Morzeszczyn
mujers
mynn
necleoside monophosphate kinase
nozzle fuel injection
off-specification material
oft used
outskirter
Paglia, Fiume
parallelogram rule for addition of vectors
pellicularia filamentosa (patonillard) rogow
phenylpropyl aldehyde
postzygotic barrier
process-baseds
pulsed-field constant-gradient accelerator
punctiliosity
put sth in requisition
quarter undulation mica-plate
Raymond VII
recurring decimals
rigid meter
Sabtah
screw augers
siderphilin
silkoline
step-transaction doctrine
students' union
sun blister
surface noises
surface of equal specific volume
synchronous communications satellite
take a long tramp to
teralumens
terminal-velocity dive
textile printing
threaded file
to set one's bag for...
Tomichi
Tres Arroyos
triple-belt
twelvesomes
U-bicon
van der waal's equation
warrigal greens
wife-to-be