尖波产生器, 尖波发生器

[00:04.00]flight [00:06.22]n.飞翔,飞行;航班;航程;楼梯的一段 [2]逃跑,溃退 [00:08.44]fling float flock [00:11.62]vt.(用力地)扔,抛,丢 v./n.漂浮,浮动 n.(禽,畜等的)群;大量v.群集,成群 [00:14.81]flood floor [0

发表于:2018-11-30 / 阅读(314) / 评论(0) 分类 考研英语词汇2005

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发表于:2018-12-06 / 阅读(423) / 评论(0) 分类 远大前程.Great.Expectations

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发表于:2018-12-06 / 阅读(268) / 评论(0) 分类 远大前程.Great.Expectations

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发表于:2018-12-06 / 阅读(193) / 评论(0) 分类 远大前程.Great.Expectations

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发表于:2018-12-06 / 阅读(209) / 评论(0) 分类 远大前程.Great.Expectations

Time again for StoryCorps. We have been listening in this oral history project crisscrosses the country. Today the story of the late Wallie Earl Dow. He was a man who often found himself on the wrong side of the law. Time and time again his exploits

发表于:2018-12-19 / 阅读(251) / 评论(0) 分类 2007年NPR美国国家公共电台

fruitful a.多产的;有成效的 frustrate vt.破坏,阻挠;使失败,使泄气 fry v.油煎,油炸 fuel n.燃料;养料 v.(给)加燃料;刺激;推动 fulfil vt.履行(诺言等);完成(计划等);达到 fulfill vt.履行(诺言、

发表于:2018-12-30 / 阅读(151) / 评论(0) 分类 大学英语四级词汇拼读版

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发表于:2019-01-01 / 阅读(238) / 评论(0) 分类 远大前程.Great.Expectations

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发表于:2019-01-01 / 阅读(198) / 评论(0) 分类 远大前程.Great.Expectations

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发表于:2019-01-01 / 阅读(272) / 评论(0) 分类 远大前程.Great.Expectations

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发表于:2019-01-01 / 阅读(186) / 评论(0) 分类 远大前程.Great.Expectations

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发表于:2019-01-01 / 阅读(243) / 评论(0) 分类 远大前程.Great.Expectations

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(217) / 评论(0) 分类 2015年VOA慢速英语(七)月

RAY SUAREZ, HOST: After Harvey and Irma, the hurricane season wasn't over. Hurricane Maria made landfall on Puerto Rico as a massive Category 4 storm. Months later, the power supply is still spotty, and thousands of homes still rely on generators. Da

发表于:2019-01-16 / 阅读(175) / 评论(0) 分类 2017年NPR美国国家公共电台12月

JUDY WOODRUFF: Next: the possibilities of getting more energy through water. Humans have long harnessed the power of water to perform work. In modern time, hydroelectricity, generated by the power of water flowing through turbines at the base of dams

发表于:2019-01-27 / 阅读(197) / 评论(0) 分类 PBS访谈环境系列

Now Minneapolis-based inventor Rich Kronfield has created an electric-assist 'Raht Racer' velomobile that he claims can travel at up to 100mph (160km/h). 现在美国明尼阿波利斯的发明家里奇?科伦菲尔德研制了电动拉特赛车(Ra

发表于:2019-02-13 / 阅读(196) / 评论(0) 分类 阅读空间

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发表于:2019-03-02 / 阅读(185) / 评论(0) 分类 加州英语分级G2

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发表于:2019-03-02 / 阅读(219) / 评论(0) 分类 加州英语分级G2
学英语单词
'Ammān
a centre of excellence
acoustic emission preamplifier
air fuel ratio
airplay
allantoin acetyl methionine
antimeric
aperea
archdeaconries
ata i. (ataa)
Beauty is but skin deep
betamicin
Bicycle Lamp
big shows
black-spotted
boil washes
bronchi segmentalis anterior
bsco
call it off
chirocephaluss
circulated overlapping problem
combinatorial optimization problem
complete proteins
computereses
cross over tube
debt load
disformally
dollar overvaluation
donetz stage
DPMS
drill bop
drilling pipe
drive-in store
ductus epoophori longitudinalis
eage
eat-your-vegetables
embedded part of coil
ethernet physical channel
exotic approach
external balance
factory expense
FastCGI
feel inclined to
fingertrap
four-electrode method
fructophyranose
get yours
gradient speed
great-grandparenthood
halobios
jaguas
Kangasala
khondalite series
knit one's brow
lift of valve
limbus of acetabulum
lower semi-lattice
lunilogical
medicinal granules
mercantile capital
meretzs
middle gouge
Milazzo
miscasting
monthly individual payroll sheet
multimode laser
nail pulse
Ndogo, Lagune
negative interfacial tension
nonstop flights
normal person
not stand the ghost of a chance
operating room draping
optic ellipse
otologia
outside secondary
perfect infinitive
pestiviruses
political rhetoric
prepact concrete
pressurized enclosure
privileging
pull me
quadrate muscle of upper lip
radix sort
selected mine
single strut landing gear
special indorsement
spot jammer
suele
super jet cleaner
supersterol
tailcords
thiobarbital
through illumination
tin crystal
traffic estimation
upmost
villageexchange
volatile producer
water passage
yohay