脉冲波形发生器

[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(204) / 评论(0) 分类 考研英语词汇2005

[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(94) / 评论(0) 分类 听电影学英语-辛普森一家

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(56) / 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(85) / 评论(0) 分类 大学英语四级词汇拼读版

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(130) / 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(94) / 评论(0) 分类 英语新闻

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(121) / 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(113) / 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(101) / 评论(0) 分类 2017年NPR美国国家公共电台12月

Science and Technolgy 科技 Mars exploration 探测火星 How to land a Mini on Mars 如何让一辆微型汽车大的探测器在火星着陆 The biggest and fanciest Mars rover so far will soon blast off from Florida 迄今为止最昂贵、最大的

发表于:2019-01-26 / 阅读(74) / 评论(0) 分类 经济学人科技系列

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(112) / 评论(0) 分类 PBS访谈环境系列

Many little girls dream of owning their very own doll's house, complete with tiny rooms and quaint model furniture. 很多女孩都梦想有一座属于自己的玩偶小屋,里面有微型房间和古雅家具。 But when one little girl asked her

发表于:2019-02-06 / 阅读(84) / 评论(0) 分类 阅读空间

It is hard to escape the images of Konza City in Kenya. Advertisements promoting the future high-tech hub, or technopolis, appear daily in the country's newspapers and show regularly on the state television network. The ambitious plan is the work of

发表于:2019-02-06 / 阅读(80) / 评论(0) 分类 英语新闻

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(101) / 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(56) / 评论(0) 分类 英语新闻

The movement of finger swipes may soon be able to charge our cellphones. 手指滑动的动作可能很快就可以为我们的手机充电了。 Researchers at Michigan State University have created a new way to harvest energy from human motion, usi

发表于:2019-02-18 / 阅读(64) / 评论(0) 分类 英语新闻

There was too much snow on Mt Lyford in North Canterbury yesterday. Last night 250 skiers had to stay on the mountain in the day lodge. The road was closed because of high winds and the risk of avalanches from so much snow. It was too dangerous for c

发表于:2019-02-25 / 阅读(63) / 评论(0) 分类 新西兰英语

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(217) / 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(205) / 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(228) / 评论(0) 分类 英语美文
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