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(525) / 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(559) / 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(524) / 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(601) / 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(493) / 评论(0) 分类 2017年科学美国人(七)月
学英语单词
Abraham's eye
acartia (odontacartia) erythraea
accelerated strength testing
after rake
alcazares
all-singing
anitrogenous
Asahikawa Asahigawa
automobile hybrids
average-value
azotaemias
B indicator
basedowian
bittersweetness
boot-shaped heart
bould-
brief on
carry point
case research
celadon flak
code-division multiple-access
conventional anode structure
counter reset(ting)
cumulus parameterization
cyber crime
cylindrically balanced valve
diaphus regani
diureides
divination
dondequiera
elliss
end to end responsibility
enferma
enneahedra
equitable right
FCW
fixation of shifting sands
fragilities
gelatiniform degeneration
Gentiana micans
gold plated frame
graphic interpretation
halorhodopsin
hangers
haven't a bean
health care workers
heriseptum
high temperature structural material
in-
inert solids
inter-state
ion tail
joint elliptical confidence region
laden with fruit
leukotome
liquor finish draw
Los Vientos
malpighiaceaes
marcionite
memory circicuit
microwave cataract
mixed exponential response law
molvas molvas
monachosorum maximowiczii (baker) hay. var. melanocaulon hay.
monitoring direction
multireligious
neutral rudder angle test
oblique lateral process
pendant boiler
phonesthemes
photo-electric photometry
pillage
preantennal glandularia
prism type anamorphotic attachment
quality map
reflux infinite
regressors
rehabilitative
reinstitution
relubrications
Sarcostemma acidum
shift block
silvina
single cotton double-silk covered wire
sloid flange
speedsolving
spring box for excess pressure head
subcooler
surface-finish analyzer
ta jao kuan
tapis
the prisoner of the caucasus
toadflax
triclinic fabric
tubewells
unjustifiedly
vant hoff law
water borne trade
wdy
web terminal
whole productive industry
X-ray density