保护色

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(133) / 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(107) / 评论(0) 分类 TED演讲教育篇
学英语单词
ad hockeries
Adenophora liliifolioides
ammonium cobalt(ii) chloride
ang moh
annotining
antirational
antithetic correlation
award sb with a medal
Barre-Guillain syndrome
bloody vesicle
bonds issued in Renminbi
booster doses
brown lung(disease)
cantilever traffic sign
cartilage growth-promoting peptide
center chord
characteristic conoid
chemical drying machine
chrome-dolomite brick
correction of leeway
cumulated doule bond
Dainava
dentinal matrix
deny oneself to
differentiation mapping
dilutive securities
dispauperize
dive bomb
double besom pocket
EFH
emergency auxiliary power
endemic acute barium poisoning
fall guy
fibrillen
files out
flight area mark
flight controls
flumedroxone
genus cardueliss
gianlucas
haanas
heat homing guidance
hermother
hold oneself ready to
home fried potatoes
hunter-driffield curve
imf-led
improvisates
jointed shaft
krautheimer
Kuwaiti dirham
lack of reproducibility
Lake Saint Clair
LLTP
Lobinin
magneto-optical phenomena
Marcello Malpighi
meaningful whole
megatherial
monitor-drain system
mooring attachment point
musculi serratus posterior inferior
narow
New Brockton
nitrocellulosic
ocular dominance column
orangoid
organization for product design
Pachacuti Inca Yupanqui
pars frontalis capsulae internae
peptidoglycan
pisga
Plexus subclavius
pound calone
precontact equipment check
primary recovery rate
primary refraction
principal stress line
round-robin story
runaround
Saint Boniface
seepage zone
serous arthritis
standard square
Stiegel, Henry William
synchronization contraint
tackle burton
tai lues
taurus-littrow
Tenryu-gawa
terreer
thorpy
throw my bread upon the water
tight-shut
tropoelastins
twin corner
unbowelling
upper tween deck
virtual path
wade into
waxed plastic sheet
wildren