螺距测量器

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(68) / 评论(0) 分类 不择手段背单词

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(117) / 评论(0) 分类 英美文化

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(73) / 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(90) / 评论(0) 分类 VOA标准英语2015年(十一月)

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(120) / 评论(0) 分类 美国习惯用语

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(52) / 评论(0) 分类 2017年NPR美国国家公共电台10月
学英语单词
agricultural product
ananters
angiotensin
antenna winch
applausometers
assyth
availability date
average life of well
axial space width
bernete
bistable laser
blow-run method
Boll's cell
brace forth
branch clearing
break into song
brmoform
camera chain
cardiocyte
carry in alternate holds
case-harden
cincel
civilian airplane
Contredem
convexity
cooling heat loss
cunning linguists
cusp-fossa
cyclamen neopolitanums
deepest subdivision load line
descubrir
disfavors
Dupuy-Dutemps operation
dutarists
dynamic force
end quote
endocommensal
entactogenesis
epigrapsus notatus
erythrodextrins
Euprotococcales
executing computer
floating exchange rate
fudge-wheel
gas-lift well
gearbox main drive shaft
geniculate body
Gentiana kaufmanniana
genuine goods at a fair price
glandulae labiales
hemerocallis lilio-asphodeluss
illicit recording
incentive force
infrared band
interconnecting main
intergrating motor
interim measures
jet pump throat
Kaledupa, Pulau
kowalskis
Latreillian
law abiding
Ljusternik-Schnirelmann theory
local access
macas
Meckel's diverticulum
Mesher
mysterium
nomo-
oil shell
ore bodies
organochlorine insecticides
pericaval
peristole
permissive card
Peterwort
photoduplication service
polarized return to zero recording
Poutrincourt, L.
radical chics
Rahola
reangling
relative velocity factor
richerson
rosh hashonahs
scientologists
sea-valve
shadelines
shao
shiv
signal-comparison method
spousely
swimming costumes
time signal in broadcasting
top-hinged inswinging window
tug-supply boat
unidentified product
unit effective efficiency
visible-infrared spectrometer
whipping-snapping
wild hibiscus
written report