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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Some people are worried that the more we learn about genetics, the closer well get to a day when we can choose all sorts of characteristics for our bab

发表于:2018-12-24 / 阅读(99) / 评论(0) 分类 Scientific American(三)月

But I want to jump up to shallow water now and look at some creatures that are positively amazing. 不过我现在还是想说说浅水里的世界,来看看那些神奇的生物。 Cephalopods -- head-foots. As a kid I knew them as calamari, mostl

发表于:2019-01-18 / 阅读(76) / 评论(0) 分类 TED演讲教育篇
学英语单词
a numb hand
abbreviatum
acknowledged state variable
ACMF
agar funnel
allylglucosinolate
Ames room
anhysteretic magnetization curve
Asian country
Azadykent
backs-of-beyond
bezants
briquetages
buffer wagon
ceeded
cerdo
chronics
compliment sb on
compluvium
cretara
cyphonocerus jenniferae
cypraeidaes
deerweed
detailed test plan document
differential plunger pump
direct control conection
discriminating order
docket number
dorsal rags
Dôn, Xé
EAES
electric field pattern
Entophlyctis
esclushams
fha-insured
Folketing
friendlihood
front-runnings
Gallicizer
gastromyosis
genus Claviceps
genus foeniculums
Giswil
grain size frequency-diagram
head sign
hem ... in
hemofolin
homocitrullyl-amino-adenosine
jokai
journal of a shaft
lavalto
level measuring set
list file
machanism
mass of the electron
mininni
mobbin'
mock test
multi-tube elutriator
multiplier-accelerator
Neo-Cultol
neurogliomas
nonmedullary
nucleus band
oil sampling
on-element
panegyries
pro-fit
purity factor
quinmerac
Rains County
restarting
reversed deflector
riomaggiores
roundleaf
scierotium
signal intensity
small-timest
space navigation computer
stabilization by drainage
stearoyl chloride
stiff reinforcement
stiffening girder
sweares
taejil-li (taejin-ni)
teliospore
textile size
Titanochromite
to give the floor to
tow ... away
tractricoids
transportation networks
tree polynomial
trek-farmer
tropentane
turn one's steps to
tympanic veins
vertical process camera
vinyl chloride-acrylonitrile copolymer fibre
weather tight deck
Wendagains-lane
Yokoate-jima