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This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. On February 8th, we told you about scientists who had created a device worn over the knees that could harvest the energy you otherwise waste while walking.

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 Scientific American(二)月

Scientific and Engineering Skills Lead to Inventions that Save Lives This is Science in the News, in VOA Special English. Im June Simms. Today Shirley Griffith and Bob Doughty tell about two recent inventions that have helped to save lives. We will a

发表于:2019-01-12 / 阅读(165) / 评论(0) 分类 2013年VOA慢速英语(六)月

BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed

发表于:2019-01-12 / 阅读(499) / 评论(0) 分类 2011年VOA慢速英语(三)月

SCIENCE IN THE NEWS - Safety Science: The Stories Behind Seat Belts and Bulletproof Clothing SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im Shirley Griffith. BOB DOUGHTY: And Im Bob Doughty. Today we tell about two recent i

发表于:2019-01-12 / 阅读(155) / 评论(0) 分类 2012年VOA慢速英语(三)月

Scientific and Engineering Inventions Save Lives 科学和工程的发明拯救生命 This is Science in the News, in VOA Special English. Im June Simms. Today Shirley Griffith and Bob Doughty tell about two recent inventions that have helped to save

发表于:2019-01-12 / 阅读(136) / 评论(0) 分类 2013年VOA慢速英语(十)月

This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. And I'm Bob Doughty. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed them. Seatbelts Most cars have s

发表于:2019-01-24 / 阅读(257) / 评论(0) 分类 英语语言学习

SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. BOB DOUGHTY: And I'm Bob Doughty. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed t

发表于:2019-01-26 / 阅读(166) / 评论(0) 分类 2010年慢速英语(二)月
学英语单词
a slow burn
adaptive learning
allocute
altin
arterial vein of soemmering
asbestos-exposure
Ashikita
automatic siphon
auxiliary engine sailer
avirulent strain
bacteristasis
baltimore sun
barsalou
Bathshua
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cage antenna
carex siderosticata hce
case soap iii
Ch.C.
CHOPAIR
cinder brick
climatic data
constant of elasticity
cross-fields
cyclopean
data initiated control
deficient-heat clearing drug
diallyl oxide
dialogising
dimension of projective space
electro diagnosis
expertise
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exposed in the sun
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good rolling car
greater palatine artery
grindlay
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gutturalization
heroicke
heyeth
innocalation
instrument-maker
Jorquera, R.
kamazite
kernelling
know one's book
lance-shaped
loinskin
lotucaine
machinedependent
macrosubroutine library
maritime world
mesosa kuntzeni
microstudy
Moriah
mountain cable railway
Neptal
No use to man or beast
non-bonding pair
on the floor
palette knife
patent working
PC demo
percussion
petroso-occipital bone
phasor quotient
planing hammer
plant physiological ecology,plant physioecology
positive shock response spectrum
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red blindness
resynch
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sectilometer
semiflexible board
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shootability
Simaruba officinalis
Sir John Frederick William Herschel
slope inclination
small change
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sprout tuber
subjunction
sursum
sweaple
technorealism
unitane
vealinous
Vena cava inferior
walk path
ziehen-oppenheim(syndrome)