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
a study
Acer L.
acid refining
all-carbon brush
amphigoric
arenosa
autoradar plot
belly-floppeds
blood sugars
brain training
buoy beacon
C.L.U.
cellulosicss
character plexer
colloid substance
Crepidiastrum
crop water requirement
cyclodoecatriene
cylindera elisae reductelineata
depreciation fifty percent method
double slide pump
dual impression
fasten one's eyes on
final countdown
fissure spring
flight director system
genus paruss
giglet
gluten free
greavess
hazard
hectostere
herpes corneae
histamine -release test
Hualapai
Idhi
in-plane load
inocybe carpta
jacking rod
khatchkar
klinki pines
kumu
kun
lazy-eye blindness
long-hour motor
LTSA
M.I.5
management application
mcallester
mediciner
moving domain memory
neat profit
nesting problem
normal yield
novosel
Novosëlovo
nozzle exist angle
nucleus reticularis pontis caudalis
on edge
opacus
outrageous price
phytopathological inspection
piezoelectric scattering
plunger type cylinder
principal polarization plane
pulse state of magnetization
re-romanize
reactant mixture
reggiana
reselection
robies
root of equation
run your eyes over
sacropromontory
santiago de cubas
Sauropus bonii
sausage powder
scalar variable
sedimentation test
serum neutralization test
silk guide roller
somnophiliacs
sortied
special industrial district
sporocidal
static load(ing)
stationary set of vanes
sunaccount
thiorsanite
totally enclosed box
translation invariance
vicar-general
virtual circuits
w.g
westerbork
whipcrack
wikman
willowbank
wish you happy
woolly croton
world-class
Yarlung Zangbo