音标:[ækˌseləˈreɪʃənz] ;
n. 加速( acceleration的复数形式 ); <物>加速度; (车辆)加速能力; (优秀学生的)跳级
n. an increase in rate of change
n. the act of accelerating; increasing the speed
n. (physics) a rate of increase of velocity

By Al Pessin Pentagon 31 October 2006 U.S. Defense Secretary Donald Rumsfeld says senior American generals in Iraq and the Iraqi government are proposing an increase in the target number for Iraqi security forces, but he would not say how much the i

发表于:2018-12-07 / 阅读(415) / 评论(0) 分类 2006年VOA标准英语(十月)

New Device Detects Pilot Blackouts WASHINGTON During certain maneuvers, jet fighter pilots sometimes experience loss of vision and even loss of consciousness. Although short, these so-called blackouts can have tragic consequences. An Israeli company

发表于:2018-12-16 / 阅读(459) / 评论(0) 分类 VOA标准英语2015年(六月)

新装置或能降低战斗机飞行员失去意识情况 Two different physiological situations can lead to a pilot's loss of consciousness,says Elbit Systems senior research and development director, retired fighter pilot YaronKranz. 埃尔比特系统

发表于:2019-01-14 / 阅读(404) / 评论(0) 分类 VOA标准英语2015年(十二月)

You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high accelerations? 也许你认为青蛙能捕食昆虫是由于舌头很粘的缘故。但

发表于:2019-01-20 / 阅读(474) / 评论(0) 分类 2017年Scientific American(三)月

Frog Spit Behaves Like Bug-Catching Ketchup 青蛙唾液竟然类似番茄酱? You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high acc

发表于:2019-01-20 / 阅读(371) / 评论(0) 分类 2017年科学美国人(七)月
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abductor
albigenic ringworm
allothigenous
analogical method
anorchic fetus
anti-Muslimist
Antillean
arcwise connected set
area committee
areal packing density areal storage density
atiprosin
atmospheric engine
biconic, biconical
black-and-green
Bromus catharticus
career-building
character timing
chayes
chernin
colo(u)r fixing agent
computer word
consequentiql damages
coordination control
crystal photoelement
D-5-W
debris guard
deep sleep
dermatitis linearis migrans
diagram efficiency
diary kept by workers themselves
duteplase
embarment
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expulsative
face haulage
field condition
fightful
front end loader
gas producting rate
glitter over
gluconolactone
hafting
half wave mercury vapor rectifier
hand turning tool
histrionic spasm
Huston
infectious mononucleoses
internodal message handler
IP (industrial production)
just over
Kahmaman Selatan, Propinsi
knowledgelessness
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lip rubber seal
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margaret leech
mckenna
medium-term liabilities
monophase microinstruction
night-blooming jasmine
nonmaterialistic
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oversharers
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pewre
phenoxy propandiol
power supply screen
quantitative relationship
reaction water-turbine
rheumatically
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running-shorts
satisfactionless
septa sinuum frontalium
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signal procedure
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single coverlet
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spiral potentiometer
Stachyurus yunnanensis
standard curing
standard vibration machine
supermicrocomputer
supre
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tariff walls
trophectoderms
under ground watering
unicamerally
victorian-style
violin case
WAWPF
windfall-profits
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