二谐波发生器,倍频器

[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(276) / 评论(0) 分类 考研英语词汇2005

ARI SHAPIRO, HOST: Some of this year's best-selling writers are better known for their way with tools than words. They are stars on HGTV, the network that shows us how to buy, sell and fix up our homes. NPR's Lynn Neary looks at their transition from

发表于:2018-12-02 / 阅读(160) / 评论(0) 分类 2016年NPR美国国家公共电台12月

[00:00.18]Yeah, okay. Okay. 好啦,这下好啦 [00:09.54]I'm very proud of you, Bart. Over 24 hours sober. 我为你自豪,巴特,才一天你就清醒了 [00:13.86]-You are, aren't you? -I'II prove it. - 你酒醒了吧? - 我来证明给你看

发表于:2018-12-07 / 阅读(148) / 评论(0) 分类 听电影学英语-辛普森一家

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 Scientific American(五)月

Every weekend, thered be a junkyard trip. Wed be looking for a generator, a carburetor, all sorts of components. 每个周末,我们都会进行一次废品站之旅。我们会寻找发电机,或者化油器,还有各种各样的元件。 He r

发表于:2018-12-26 / 阅读(120) / 评论(0) 分类 乔布斯传

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(137) / 评论(0) 分类 大学英语四级词汇拼读版

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(147) / 评论(0) 分类 60秒科学

Indian Inventors Turn Pollution into Ink Workers at an Indian start-up company are busy cutting up pieces of metal and using them to make unusual devices. Company officials say these devices will capture smoke from diesel generators and turn it into

发表于:2019-01-03 / 阅读(199) / 评论(0) 分类 2018年VOA慢速英语(六)月

BEIJING, April 8 (Xinhua) -- Qinshan nuclear power plant, China's first, has finished an expansion project with a new generator unit in operation, said China National Nuclear Corporation (CNNC) on Sunday. The pressurized water reactor power-generatin

发表于:2019-01-07 / 阅读(158) / 评论(0) 分类 英语新闻

1. The canoe was now approaching the land. The man with the carved paddle stopped. It should be somewhere here, he said. The other man had been in the fore part of the canoe, closely scrutinising the land. He had a sheet of yellow paper on his knee.

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 英语PK台

Supplement: Some Useful Sentences On Orders 有关订单的常用语句 (1) We thank you for your quotation of February 20 and enclose herewith our Order No. 456 for the captioned goods. As the goods are urgently required by our customers, we hope yo

发表于:2019-01-11 / 阅读(192) / 评论(0) 分类 实用英语

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(189) / 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(155) / 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(175) / 评论(0) 分类 PBS访谈环境系列

Vocalist Catherine Russell is always searching for that next great melody. She's found more than a dozen of them to sing on her latest album, Inside This Heart Of Mine. Catherine Russell is a perfectionist when it comes to choosing her material. Her

发表于:2019-02-06 / 阅读(146) / 评论(0) 分类 VOA标准英语2010年(六)月

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(174) / 评论(0) 分类 阅读空间

Models of China's high-speed trains are on display from China Railway Rolling Stock Corporation, one of the participants of this year's trade fair. Zhou Li, head of the science and technology department of China Railway says the trains can bear extre

发表于:2019-02-18 / 阅读(109) / 评论(0) 分类 英语新闻

Did you see them turn and run? Maybe we don't have to leave now. 你看到了吗,它们转头就跑了。也许我们也不用走了 The Skitters didn't know what hit them, but they'll be back. 突击者这次不知道我们的战略,可下次就不

发表于:2019-03-02 / 阅读(287) / 评论(0) 分类 陨落星辰第一季

I guess those Mech bullets really work, huh? Ben. 看来械甲金属弹真的有用。本 Everybody get down! Get down! 大家蹲下,隐蔽 Call out your ammo! 清点弹药 I got two. Three shots left. 还有两发。剩三发 Four. How many more w

发表于:2019-03-02 / 阅读(281) / 评论(0) 分类 陨落星辰第一季

It's being described as the next health hazard after junk food binging and sedentary living: chronic sleep deprivation. 慢性失眠一度被认为是继垃圾食品和久坐不动之后的又一健康杀手。 At a major sleep conference in Boston t

发表于:2019-03-13 / 阅读(321) / 评论(0) 分类 英语美文
学英语单词
AC drive rig
acceptance of the bid
annona muricatas
antaoensis
apparent colour
aureine
authoritarians
BA-34276
Barbaste
beckerite
bibliographic on-line display
bladder ketmia, bladder ketmie
bumping collision
buttfuck
consular shipping adviser
containerset making machine
conversion with co-efficient
culicide
Cynoglossum triste
cystic disease of lung pseudocysts of lung
darvish
ditte
dumbacher
emotional disturbed student
eupad
first beneficiary
foliolum
fundamental transposition interval
galvanizing bath
gawelok
Gogama
Heawood's conjecture
hennish
high tension panel
high-frequency remote signalling apparatus
horizontal section
hot floor drier
iodonium base
isocitritase
Kandaul
keszeg
kuppel
larrousses
lef
Leptodermis hirsutiflora
littarge
loaned out
longshore bar
luerssen
lyzbeth
Masalog
medium build
mesenterica tabes
metatalc
methylcellosolve
minor fog signal
misdesigns
mode convert
Modřice
natural gas pseudocritical pressure
nothing to cable home about
nu'uanu
occasional trade
Opera-oratorio
pachycephalosaurian
paeonidin
pedestal foot
phenocritical phase
pipe-cutter
PO-ANTI-PO
polyglutamic acid
practical-mindedness
Probenid
radiochromatography
requiry
restart unit
Ripercol
roadway work
Rumex microcarpus
screen for side light
seamanly
shanbaum
short tie
silver jamesonite
slab saw
small boats
Smilax hemsleyana
snowbear
South Gibson
standies
statocone
structure isomer
sulfur retention
The black ox has trod on someone's foot.
the lorax
to abase oneself
umbrellaless
universal eczema
Watling shales
with a straight face
Wloszczowa
xanthic disulfide