[航] 高超音速再入

And our first story concerns a weapon that said to be hypersonic, meaning it would travel at several times the speed of sound. Russia's defense ministry says it's conducted a successful test of a hypersonic missile. A nation might want to want a weap

发表于:2018-12-02 / 阅读(101) / 评论(0) 分类 CNN美国有线新闻2018年4月

That's an unnatural act for a rocket. 这对于火箭来说,不是一种自然的行为。 The third stage has a camera. 第三次发射,火箭上有一个摄像机。 We call it rocketcam. 我们称之为火箭摄像机。 And it's pointed at th

发表于:2018-12-18 / 阅读(57) / 评论(0) 分类 TED演讲科技篇

STEVE INSKEEP, HOST: President Trump's national security adviser, John Bolton, is in Moscow for a second day today. He's there to discuss President Trump's pledge to withdraw from an arms control treaty that bans certain kinds of missiles. This is on

发表于:2019-01-17 / 阅读(75) / 评论(0) 分类 2018年NPR美国国家公共电台10月

Lockheed Martin says it's developing a Mach 6 aircraft that would be faster than any other fighter jet. 洛克希德马丁公司日前宣布,该公司正在研发一款速度可达6马赫、比其它所有飞机都快的战斗机。 Called the Hype

发表于:2019-02-06 / 阅读(218) / 评论(0) 分类 英语新闻

Reentry Heat [Why does a space shuttle get hotter on reentry than on liftoff?] 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗?来一起听听吧。 M:Dolle,we now know that the space shuttle Columbia burned up whe

发表于:2019-02-24 / 阅读(76) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
agnostic method for offshore structures
anginal syndrome
Are you a salesman
ausdifferenzierung
Balontohe, Pulau
Barral's test
barytones
bawiti
Bhingar
borehole
brass bobbins
Calyptratae
capillary hyperpermeability
carbollysoform
Chintalnar
Chlamyphorus
clavulinopsis laeticolor
clut l.
Cocklebiddy
Cromesilate
ctn
currant jelly thrombus
CUSS (computerized ultrasonic scan system)
declarative statement
declare in favour of
direct control facility
discriminating satellite exchange
dummy journal
dunelike
earthwork and stonework
electric accounting machine
electrolytic gold
enamorment
enharmonically
equivalent extension
extraordinary disburse
filifolin
fireproof coating
foreign client
fossae
gastight terminal
gilbertoes
hand lesser yin heart channel
intracardiac pressure curve
IP block
lacing
melting grid spiral
metal monocoque
microed
minaprine
Montessori method, Montessori system
neodymium-doped glass laser
NHHC
nonlinear foundation
nsaids
oboles
office automation (oa)
orange oil
outborrows
over-mourn
oxydesis
P-I-D regulator
parachute tower
patrol district
pollifex
preproducing
prionodon linsang
private enterprise
put ... about
QMAC
radiaxial calcite
radiodetermination-satellite service
regeneration-cutting
robust decentralized control
Rolland
royall
scyelite
soap factor
St Joseph County
steelyard weight
substantial control
tantoblin
thorium picrate
threng
to vent
tooth colo(u)r selection
top-down error recovery
triangular-section step
triumphings
truck mixer with concrete pump
tuberculous proctitis
tyre heating furnace
uk invest
unleathered
unquerulous
unwriteable
user stack
vegetation plate
vertical planting
wave selector
win someone over
wire splint