时间:2018-12-24 作者:英语课 分类:Scientific American(二)月


英语课

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 organisms that might once lived in that area on Mars would really have the * arts. But why do we know so much about the likelihood of particular environment-support life. Mars scientists * you and me in our propensity 1 to eat. Harvard professor of Earth and Planetary Science's Andew Knoll 2 spoke 3 to reporters Friday at the AAAS meeting. "The food preservation 4 industry depends hardly on people knowing the kind of ionic tolerances 6 of microorganisms. So this isn't some * saying that the Mars scientists will pull a paper off to shelf. How is the papers out there on the tolerance 5 of microorganisms and it's not because most scientists are worried about *; it's because they are worried about *" so one science feeds another.


Thanks for the minute for Scientific American's 60 Second Science from the AAAS meeting in Boston. I'm Steve Mirsky.

 



1 propensity
n.倾向;习性
  • He has a propensity for drinking too much alcohol.他有酗酒的倾向。
  • She hasn't reckoned on his propensity for violence.她不曾料到他有暴力倾向。
2 knoll
n.小山,小丘
  • Silver had terrible hard work getting up the knoll.对于希尔弗来说,爬上那小山丘真不是件容易事。
  • He crawled up a small knoll and surveyed the prospect.他慢腾腾地登上一个小丘,看了看周围的地形。
3 spoke
n.(车轮的)辐条;轮辐;破坏某人的计划;阻挠某人的行动 v.讲,谈(speak的过去式);说;演说;从某种观点来说
  • They sourced the spoke nuts from our company.他们的轮辐螺帽是从我们公司获得的。
  • The spokes of a wheel are the bars that connect the outer ring to the centre.辐条是轮子上连接外圈与中心的条棒。
4 preservation
n.保护,维护,保存,保留,保持
  • The police are responsible for the preservation of law and order.警察负责维持法律与秩序。
  • The picture is in an excellent state of preservation.这幅画保存得极为完好。
5 tolerance
n.宽容;容忍,忍受;耐药力;公差
  • Tolerance is one of his strengths.宽容是他的一个优点。
  • Human beings have limited tolerance of noise.人类对噪音的忍耐力有限。
6 tolerances
n.宽容( tolerance的名词复数 );容忍;忍耐力;偏差
  • Not only must the centers decrease, but the tolerances to produce quality bonds must also decrease. 不仅中心间距减少,而且产生优质连接的容限也必须减少。 来自辞典例句
  • Then analysis the reasons and influencing factors of such tolerances. 最后分析出现误差的原因以及影响因素。 来自互联网
标签: SSS acidic
学英语单词
10 consecutive ties
adjustable weir crest
agglomerative tendencies
alkylphosphines
angioscotometry
antiseptic cotton
aseasonal
Aslian
Bacon, Francis
bat phone
boghead (coal)
botch-ups
broken orange pekoe
Buis
bushworld
canalin
Casimiroa sapota
chamois cloth
Chnofalk
Christiany
circulation memory
cog timbering
collenchymatous cell
composite video input
crinogenic
critical statistics
cross lap
current float
Daraprine
delayed income credits
displaced position
Dodecanese
ex rights
extrinsic contaminant
federal republic of nigerias
Feigenbaum functional equation
fhl
fitness test
fog dust
food self-support
full board
gamma-decay energy
Gaussian process
geoelectrical basement
GETWS (get word from string)
ginger brandy
golk
Grothendieck topologies
hirsutella versicolor
homepna
Hwangguto
in-group comparison
incremental response time
international gold standard movement
iravadia bella
Jabiru mycteria
jolanta
jumbo boom
Juris
LAP-D
living legend
meriggi
methylparoban
Moussa
mutual office
negrified
neotheophylline
nigger lovers
non-informative
nonoestrogenic
off-price
ohl
optical fiber telecommunication
Orczy, Baroness Emmuska
paleohydrologists
Poisson's summation formula
preservation of timber
purocellulose
re echo
re-potting
relay emergency valve
retroserrate
roadside bombs
rotary letterpress
sceat
shell of hawksbill turtle
shroomhead
sigmoidea
sprained
stall-holder
subicular region
swld
thalasso
there is no smoke without fire
Trommer's sign
tuero
twist someon's arm
uniform exit flow nozzle
unstayed covers
user action
Vena basalis superior
wide base rim