2013年Scientific American's Six

Astronaut M B spent 199 days on the international space station in 2009.On Feb. 17th 2013, he told kids about his time in space as part of Family Science Day Effort on the Annual Meeting of American Association for the Advance of Science in Boston.Qu

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 Scientific American(二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(143) / 评论(0) 分类 Scientific American(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(142) / 评论(0) 分类 Scientific American(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60 second Science, I am Sophie Bushwick, got a minute? Comparisons of different animals have shown that larger brains provide greater intelligence, but they also guzzle more energy and have other consequences. Now scienti

发表于:2018-12-02 / 阅读(188) / 评论(0) 分类 Scientific American(一)月

Medicinal tablets are nothing new. Doctors have been dispensing pills for thousands of years. Now, archaeologists have turned up some of those ancient medicines which were preserved in a shipwreck for close to two millennia. The 2nd centry Pozzino wr

发表于:2018-12-02 / 阅读(191) / 评论(0) 分类 Scientific American(一)月

When normal population of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as Clostridium Difficile, C Dif. The mean symptom is nearly constant and debilitating diarrhea. One of the

发表于:2018-12-02 / 阅读(325) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60 second Science, I am Gretchen Kuda Kroen, this will just take a minute. When normal populations of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as

发表于:2018-12-02 / 阅读(151) / 评论(0) 分类 Scientific American(一)月

This is Scientific American 60 second Science, I am Karen Hopkin, this will just take a minute. There are in fact 100 billion galaxies, each of which contains something like a 100 billion stars. Well, Carl Sagan would have loved to get the latest est

发表于:2018-12-02 / 阅读(180) / 评论(0) 分类 Scientific American(一)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-02 / 阅读(134) / 评论(0) 分类 Scientific American(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-02 / 阅读(177) / 评论(0) 分类 Scientific American(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-02 / 阅读(151) / 评论(0) 分类 Scientific American(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-02 / 阅读(148) / 评论(0) 分类 Scientific American(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-02 / 阅读(152) / 评论(0) 分类 Scientific American(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-02 / 阅读(149) / 评论(0) 分类 Scientific American(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-02 / 阅读(156) / 评论(0) 分类 Scientific American(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-02 / 阅读(153) / 评论(0) 分类 Scientific American(十二)月
学英语单词
Acanthus ebracteatus
aestival annual
almaktoums
androsov
arrowhead twill
arturo toscaninis
Arvayheer
Asia Clear
Aygavan
Batu Lima, Sungai
boron bromide
brachypodum
breakfast bars
bristle fern
british-cameroons
bunostomun phelebotomum
cathodegraphs
CH
clinker coating
cold status
complex stress
conservation of plant resources
counterfeiteth
Creutzfeldt-Jakob disease
dabrowa
dark adaptations
dead-(and)-alive
demulce
dietary alveoloclasia
downgoing wave
dryades
eigene
electroplating effluent
emplet
entry data
F (friction)
family Xenicidae
fastness to water
ferrum pulveratum
fleet testing
front yard
gap in the market
glass film plates
Glisp
greenhouse planning
Gurz
HA-tag
hardened concrete
hobandnob
hydroxyprostaglandin
Ijebu-Igbo
input-output interface
ivory-type
latex froth building machine
Les Triagoz
limnic coal-bearing series
luhr
maione
marl soil
mating discrimination
messaging API
meteorological effect
monthly mean relative humidity
Mukinge Hill
multi-effect multi-stage(flash)vaporizer
noncontacting electrode
noncontaminated atmosphere
normal population
open type fuel valve
oxoushinsunine
Palo Alto Research Center
papyraceous fetus
parasitifier
piezo electric effect
pndc
polar bear
pounds per foot
pre-sling
Pribnowbox
propenoate
pulsed laser welder
quality of service,QoS
quantum level
radical vulvectomy
reinclusion
ring rim type rotor
saddleth
school-finance
scream therapy
selective retention
self mulching
selikoff
shovel bucket
slowstart
subluxation of lens
sweetling
sweg
tuberculosis of penis
visual identification
ward bed
well-knownness
zant