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(182) / 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(138) / 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(118) / 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(174) / 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(123) / 评论(0) 分类 2017年科学美国人(七)月
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angular aperture of human eye
auricular erysipelas
automatic flight control equipment
be angry at
Becej
Beja, Dist.de
billberry
Book of Jonah
Boyd, Martin
brusque,brusk
buffer fund
bunkhouse
cafetier
capillarity of fiber
case agreement
charcoal blacks
circulars
clench nail
coco mat
collector barrier
contribual
core of rope
craftsman
direct-axis voltage
directional mixing effect
division eubacterias
double-Zepp antenna
elm family
enzootic disease
Eutropius
family Sepiidae
firestine
flannel mullein
formula assembler and translator (forast)
FORTRAN fault processor
grand jet? dessus en tournant battu
Granville
guangxis
gutturalised
Harvamine
Haussmannian
hell-o
hemorrhoidal pastille
ileuses
instrument-making
intrinsically linear model
laryngotome set
layer loading
let sth run its course
lipid-saccharide
lowther hill
loxtidine
machine straightening
male plug
mellody
metallic wood-boring beetle
mylene
nondifferentiable
order jungermannialess
oriental tussock moth
outer suburban district
Pacific Crest National Scenic Trail
packfong
passivated planar transistor
peak gain
Plexus choroideus ventriculi lateralis
position of bearings
Prahovei, Dealurile
public sector pay
purified product
pustulosisvacciniformisacuta
rated d.c. output current
right-side-up
roentgenographs
rubbish
sausage-machines
schoos
scolecithricella ovata
Selama
skc
Solera's test
steepest descent
stop limit
strip breakage
Suez Maritime Canal
surrogative
temporal decomposition
the point in question
Thiosulfil
three-way cross
total eclipse
towme
trans-tetramethyl-cyclohexane-diamine
tri(hydroxymethyl)propane
two stage holdback device
unweary
uvulotomy
victoriano
water-keep agent
welin davit
Wheeler Peak
zwerdling