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(107) / 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(82) / 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(68) / 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(101) / 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(67) / 评论(0) 分类 2017年科学美国人(七)月
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afterlength
air mount
alkyl compound
assurgencies
automatic interaction detection(aid)
babts
bearing seal
Berlin-Dahlem Botanical Garden and Botanical Museum
billisecond (nanosecond)
bow pencil
btb (bromthymol blue)
bufolo
carp oil
childlier
chiliasts
chromatophore of choroid
colletotrichum stephaniae
computer field service
computer-based telemetering system
Consent Solicitation
contextured
cotted fleece
cumulative quantity discounts
deliver newspapers
Delphinium weiningense
deselects
Deutsche Terminborse
differ from
disempowerments
divided conductor
Dizmiss
dredge stripping
duckmen
Duluth packs
envelope line system
estate corpus
excited-field
fixed image graphics
fixed scatter communication
formbuilding
fpuorophotometer
gluggy
graphitizing carbon
gray lung pneumonia
Guihaiothamnus
handling shift efficiency
hepatitis B antibody
high temperature connector
hot clean criticality
hydraulic tire chiselling machine
integrated transmission system
internal fixation of spine
internal grinding head
interpolative picture coding
knotwort
landform map
limenitis camillas
long-billeds
macrosalb
make payment
makisterone
malignant rhabdomyoma
manufacturing overhead efficiency variance
medicator
mixed cultivats
moweare
Moyenvic
natural hot-water reservoir
painted china
palynostratigraphy
passenger car tyres
perforation gauge
period-revolution
peverils
phenolic foam
pilot star
pinangs
piotrovskiy
Pleurococcus
potterton
pretrainings
principal real right
radio-frequency
Rahimābād
RNAAPP
RPFS
scalping number
sea-lift
semiskilled labor
shipping label
side-by-side connecting rod
stringier
sum of money
theorem of intersecting chords
turbo jet
unevitable
uniform demand
us merchant marine
van reel
vehicle radio
Zanha
zeroize