叶片组装;叶片组

[00:11.62]Pages 43 and 44 [00:15.91]Talk about it! [00:18.60]Listen.Point. [00:22.18]a flashlight [00:28.47]a paper clip [00:34.06]a magnet [00:39.65]a thumbtack [00:45.17]January [00:50.36]February [00:55.56]March [01:00.97]April [01:05.85]May [01:1

发表于:2018-12-13 / 阅读(111) / 评论(0) 分类 灵通少儿英语第三册

The US shuttle Endeavor has returned home to the Kennedy Space Center in Florida ending its 16-day construction mission to the International Space Station. After a journey of 6.5 million miles, Endeavor touched down just one hour after sunset with i

发表于:2019-01-05 / 阅读(35) / 评论(0) 分类 英语新闻视频

Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t

发表于:2019-01-12 / 阅读(74) / 评论(0) 分类 2015年VOA慢速英语(七)月

Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall

发表于:2019-01-14 / 阅读(92) / 评论(0) 分类 VOA标准英语2015年(十一月)

ROBERT SIEGEL, HOST: Ridley Scott's science fiction film Blade Runner was a modest hit in theaters in 1982 and a massive one later on video. Scott's punk noir dystopia initially got mixed reviews, but the director kept re-cutting his film. And by 200

发表于:2019-01-16 / 阅读(55) / 评论(0) 分类 2017年NPR美国国家公共电台10月

1.Assembly 总成 A: What is an assembly exactly? B: Assembly is a component made of more than one part. A:总成到底是什么? B:总成是由一个以上零件组成的部件。 2.A-Surface A级表面 A: What about A-Surface? B: A-Surface is the surface of a product that

发表于:2019-01-21 / 阅读(56) / 评论(0) 分类 天天商务口语
学英语单词
actinouran
air relief arrangement
air-water interface scattering
altitude by observation
applied aeromechanics
arteria pericallosa
asked for it
atavisms
backleak
be awarded
bevelling off
blue - green alga
booster system
buddy wrapping
cerebrodiene
chute sill
colorcast
compound stem
cool place
costs-of-ownership
cryptomycin
Cyperaceae
diversified investment company
Doakes
dominici
drill core
dust-proofing coal
extraperiosteal
eyewink
eyoc
fastness to carbonizing
fearnought
filling compound
first pick
flabbergaster
focusing internal
gehlenite
Helmholtz-Lagrange theorem
hieromantis kurokoi
high capacity fuse
Ifrane, Wilaya
image accelerator
indented thrust chamber
Kakatahi
kreegers
Lande interval rule
lens disc
leveling roller
Macdonald polynomials
macrospecimen
macs (medium alitiude communication satellite)
magnetic key
matl
metallophthalocyanine
MOTV
moultiplye
multidial ratio transformer
navigation subsidy
no-load steam loss
number of children born to a woman in her lifetime
number of irreglarity
overhead trolley conveyer
part-of-speech
pay-off method for capital investments
petrol-station
photon-deficient
pixellations
plant parameter
point of reflection on the curve
polarization lidar
polytrichate
Portland Roads
power box
pre-competition
pressmasters
puggled
pwp
pyknodysostosis
qibla
read memory
realliance
recarburized
repeller plate
stage observation
subgrade cross-section
synthesized editing and updating
telemorphosis
Tetrastigma jinxiuense
third periods
total compensation
trading nation
tread on sb's toes
tripple distilled water
unapportioned
vacuum-assist pouring
Victoria yellow
weak pullback
wesermunde
wetted zirconium sponge
wumbo
yei
zaphod