软组织扩张术

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(217) / 评论(0) 分类 VOA标准英语2011年(三月)

What did a dinosaur look like? By Linda Baxter Can we believe what we see? Dinosaur art has a long history. Life-size models in natural history museums, paintings and drawings, children's toys, and of course, the recent spate of computer generated fi

发表于:2019-01-02 / 阅读(92) / 评论(0) 分类 英语音频杂志

Scientists Extract Soft Tissue from 68-Million-Year-Old Dinosaur Bone 科学家从6千8百万年之久的恐龙骨中提取软组织 U.S. scientists have recovered soft tissue from the bones of a near

发表于:2019-01-03 / 阅读(31) / 评论(0) 分类 VOA2005(上)--环境科学探索

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(82) / 评论(0) 分类 60秒科学

57 恐龙的鼻孔应该位于口部上方 DATE=8-23-01 TITLE=SCIENCE REPORT - Dinosaur Noses BYLINE=George Grow (Start at 1'01

发表于:2019-01-30 / 阅读(137) / 评论(0) 分类 自然探索

今天我们要学的词是expansion。Expansion 扩展,扩充。The Kennedy Arts Center unveiled a $100 million expansion plan. 肯尼迪艺术中心宣布扩展计划,耗资一亿美元。President Obama supported the expansion of H1B visas fro

发表于:2019-02-18 / 阅读(51) / 评论(0) 分类 英语单词荟萃
学英语单词
a dumb-ass
abc inventory planning
adequal cleavage
allogenous
antenna capacity
anti-roads
antimonous fluoride
atomic masses
Bad Oeynhausen
balance sping
ballymuns
basic tellurium sulfate
bunk-beds
by and by
Capet, Hugh
cavalier projection
CD Extra
Chishang Township
chromatin decondensation
clievis
common myrtle
communication director
cooler room
crossbeding
Cynoglossum viridiflorum
dariole mo(u)ld
debloom
deposit steel
Desemil
diamagnetic susecptibility
duplicitas inferior
Evel Knievel
eviction order
financial decision
flower gentle
framed trestle
Geigel's reflex
get sb. safe
half-current pulse
Hartel method
have the right idea
head-work
heat stabilized bearing
heavy petroleum oil
high speed gear
high voltage winding
higher-order attenuation
higry pigry
Hilary Rodham Clinton
ice pilot
idiosome
instant map
iridium sulfite
jetting phenomena
land-locked species
Las Colorados
licat
lyfing
magnetic leakage transformator
main forest-road
mania levis
mesh numbers
neurocristopathy
nonseriesparallel
operational flight program
oscillating saw
oxidizing condition
particulate organic matter (pom)
Penicillium glaucum
personal Act
personal claim
pigmented basal cell epithelioma
plant two-rows method
plasto hydro dynamic lubrication
poker heuchera
principal tide
psycho-physiological
Quinebaug
recompensing
respiration rates in incubated soil samples
royalty interest
Saussurea elegans
secondary rescue facilities
Shealtiel
single-domain particle
single-tax theory
small cardiac vein
specificity of receptor
spray gun process
spydom
steel cap
subcostal furrow
Sue Ryder
surging force
system CPU time
taut hand
temporary adhesion
third root
Timour
uniaural stethoscope
urinary fistula
wolfiness