输导组织;维管组织

00:05.00]5 有用的东西 [00:10.00]A What things do Mary and Peter need to lay the tables? [00:16.78]Mary和Peter要摆什么在桌子上? [00:23.56]Mary needs some knives and forks. [00:27.83]Mary要摆一些刀子和叉子。 [00:32.10]She also needs some plates. [00:3

发表于:2018-12-13 / 阅读(89) / 评论(0) 分类 小学英语深圳双语版六年级

When humans have a heart attack, heart muscles die after being cut off from their blood supply. But what if the heart could grow new muscle to replace the dead tissue? Some amphibians can regrow body parts, even entire limbs. But humans and other hig

发表于:2018-12-16 / 阅读(224) / 评论(0) 分类 VOA标准英语2011年(三月)

Little Johnny watched, fascinated, as his mother smoothedcold cream on her face. Why do you do that mommy? he asked. To make myself beautiful, said his mother, who then beganremoving the cream with a tissue. What's the matter? asked Little Johnny. Gi

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 趣味英语

Scientists Regrow Tissue Killed During Heart Attack U.S. scientists have done what was once considered science fiction - regrown heart muscle to replace tissue that was killed off in a heart attack. It's the latest advance in the field of regenerativ

发表于:2019-01-14 / 阅读(54) / 评论(0) 分类 VOA标准英语2012年(二月)

Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood

发表于:2019-01-14 / 阅读(69) / 评论(0) 分类 VOA标准英语2010年(十一)月

Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o

发表于:2019-01-30 / 阅读(84) / 评论(0) 分类 60秒科学
学英语单词
abtropfung
acardius amorphus
acrophylls
ACTD
acts as
aggregate shaft horse-power
alongshore current (brit)
argyrodes bonadea
average room conditions
be quit of
binary to octal conversion
Botallo's duct
boxing shutter
Cabri
caloric theory
centrifugal pumps
cold-blast cupola
collapse parent
concrete shaft lining
current regulating relay
delay throttle pintle nozzle
dish cabinet
DNP-ficoll
dormant failure rate
electric double refraction
electrolytic precipitation
ensheathes
extratropic
fangtooths
filed by accounting department for reference
fixed input
fog index
gastropine
goatfucks
gradual recovery
greening design
Guri Dam
hematocelia
hypsochromic shift
injection-mouldings
iSlate
java standard database connectivity
Kalanchoe garambiensis
kink-free
l'alphabet
laokoon
length of break
level of addressing
ligula
long shift control
low heat value
luminance brightness
lunar orbit insertion
MacDowell Colony
main cargo line
main wreckage
malts
mat enamel
meliola hederae
microphlar haustorium
mie
migra
minimal time control
multinomial choice model
Natural gas processing plant
nearish
on documentary collection
on what basis
ore prospecting
organizational structures
orplid
pallet frame
pancrelipase
partial obsolescence
peak load shaving
pendulum machine
planetary type motor
polystichum rectipinnum hay.
powres
presbytery
Pterocypsela elata
relaxants
samella
seventeen-year-old
slide valve seat
soleyman
steam admitted above the piston
still-video camera
stopping limit mark
Sudans
Taishi
tin ammonium chloride
TSIP (torsional in-phase)
turbomachinery compressor
Vasocil
vehicle and civil architecture
vertical rod
war horn
wear resistant material
xanthylium uranyl chloride
yhadde