时间:2019-01-20 作者:英语课 分类:2015年Scientific American(八)月


英语课

 Microbe organize live in you ,on you ,in soil in clouds ,and below the ocean floor ,that last bags of single self.. is particular  hard to study, not only the samples are difficult to obtain ,but they can easily be contaminated with all that other microbe life, once we dig them up . so, the researchers have take special precautions when they investigated microbe life in a cold bed deep below the sea floor near Japan, This material was once dry land ,but got some emergent ,some 20 million years ago .The research team drill nearly 2500 metres below the sea floor and brought up samples.They carefully avoid contamination and evluated ... only the inner portion of the samples which were protected by the outer parts ,and analyst 1 found life to national list holding on well under the ocean .

The gram of each rich garden soil can hold a billion bacteria at 2500 meters below the sea floor .A gram of sediment 2 might be home to just a single microbe .And those deeply buried organize are quite different from microbe be found just under seafloor .In that deep layer.The microbe are most closely related to bacteria groups that thrive and far.. soils on land. The scientists that suggest that deeply buried undersea microbe might be descended 3 at once  that survived when they rest habit become flooded.

Again that was 20 millions years ago ,the findings is in the journal science.in the commentary in the same issue .July of the marine 4 ,by a logical labtory    says the fact they are quote a massive buried bias 5 fear has global important quote with sub-sea floor microbes playing a crucial role in carbon sea ..and earth evaluation 6 and ..staggering diversity?

She added quotes ,we still have long way to go  in uncovering and understanding microbe life deep beneath the sea floor.

Thanks for the minutes.For Scientific America 60 second science.



n.分析家,化验员;心理分析学家
  • What can you contribute to the position of a market analyst?你有什么技能可有助于市场分析员的职务?
  • The analyst is required to interpolate values between standards.分析人员需要在这些标准中插入一些值。
n.沉淀,沉渣,沉积(物)
  • The sediment settled and the water was clear.杂质沉淀后,水变清了。
  • Sediment begins to choke the channel's opening.沉积物开始淤塞河道口。
a.为...后裔的,出身于...的
  • A mood of melancholy descended on us. 一种悲伤的情绪袭上我们的心头。
  • The path descended the hill in a series of zigzags. 小路呈连续的之字形顺着山坡蜿蜒而下。
adj.海的;海生的;航海的;海事的;n.水兵
  • Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。
  • When the war broke out,he volunteered for the Marine Corps.战争爆发时,他自愿参加了海军陆战队。
n.偏见,偏心,偏袒;vt.使有偏见
  • They are accusing the teacher of political bias in his marking.他们在指控那名教师打分数有政治偏见。
  • He had a bias toward the plan.他对这项计划有偏见。
n.估价,评价;赋值
  • I attempted an honest evaluation of my own life.我试图如实地评价我自己的一生。
  • The new scheme is still under evaluation.新方案还在评估阶段。
学英语单词
.lyr
abhesive
account payable register
accounts payable-related parties
annual load factor
anticipated import
Asian-dollar bond
at high noon
back rope
ball shape
bandsaw machine
Base-pushout
Bontrug
borkosky
brachygnathism
Burgers equation
C size
cayenne peppered bancurd
cents-off promotion
chamfer planes
charmant
concrete design
control switch-board
danshenxinkun
decompression stage
deferred printing mode
deflection plate
description of subroutine
diagonal beam
diyu huaijiao pills
double possessive
en flute
flood-water forest
frequency modulation tube
friction-head
frozen plants
gloeosporium blumeae
gold-finder
Green, Henrietta Howland Robinson
grouts
hard rock concrete
hatchettind
heath-hen
hepatico-colic
heteropoda pingtungensis
HyLusupian
instrumental variable technique
internal reticularapparatus
jacket closure
LE cell
linear systematic statistic
lithospermums
locker carrier
longitudinal bend test
louderbackite
maintenance and service (MS)
map printing
metachrome mordant
microcomputer reset command
Montauban
mortar mix ratio
multiregion problem
nettletons
neutron activation kit
non-essential bus
nonphysicists
nonthermal neutron
occupational tax
perbasic
pneumoresection
power station planning
prolongest
pseudopupae
rear protection
recharge area
right to the use of a site
ritsch
Rivest-Shamir-Adleman
routing number
Rumigny
run around with sb
sanzas
sea-lions
shadowings
side dive
signorise
Silver-Edingtonite
Sir William Walton
solicitorss-general
solovox
somatolactin
subsidiary foodstuffs
szer
to make it worse
Trade L.
Tweed, River
unsupported area
vacuum flash pasteurizer
variomycin
vogues
waco
Zanthoxylum echinocarpum