[电] 低惯量电机

科学美国人60秒 SSS Isolated Low Temps May Reassure Climate Skeptics

Global warming deniers love to point to cold or snow as evidence against climate change. Like Oklahoma Senator James Inhofe. Remember last year, when he tossed a snowball in Congress? You know what this is? It's a snowball. It's very, very cold out.

发表于:2018-12-02 / 阅读(149) / 评论(0)

2016年Scientific American(十二)月

大千世界:电鱼

不知道大家听说过电鱼没有...它们往往生活在浑浊的水域当中，依靠发射电流探测出障碍物以及猎物的位置...原理和蝙蝠发出的超声波差不多...在今天的大千世界中，我们就来关注下这类不同

发表于:2018-12-07 / 阅读(209) / 评论(0)

大千世界

听广告学英语-Welcome Electrical Machines惠康电器

听广告学英语:Welcome Electrical Machines惠康电器原文：Welcome presents you a state-of-the-art offer with a Tamashi home entertainment range. Designed in Europe with advanced Japanese technology, Tamashi combines good-look with technical know how. C

发表于:2018-12-07 / 阅读(257) / 评论(0)

听广告学英语

初中英语人教版初三年级上册37

[00:11.99]lesson 37 unit 10 [00:38.16]hello,DuHui!this is Melissa speaking [00:43.44]Hi,Melissa. [00:46.68]I called you yesterday afternoon,but you were not at home. [01:07.03]Oh,I am sorry. I went to the biggest science museum in town yesterday. [01

发表于:2018-12-10 / 阅读(152) / 评论(0)

初中英语人教版初三

高中英语人教版高一英语必修一02

[00:05.20]Lesson 41 1 Dialogue [00:11.44]Jackie and Yang Pei are both students in Australia. [00:16.90]They talking about the coming weekend. [00:21.26]What are you doing on Saturday evening? [00:25.21]I'm going to hear John Denver. [00:29.05]Who's h

发表于:2018-12-13 / 阅读(206) / 评论(0)

高中英语人教版高一

英文歌曲：Electrical Storm ( William Orbit Mix )-U2

凝聚摇滚真情与独到观点的先锋劲旅U2 称霸欧洲15国冠军精选大碟中直击英国金榜TOP 5 意境凄美耐人寻味的摇滚精品歌手：U2 U2 - Electrical Storm The sea is swells like a sore head and the night it is aching Two lovers lie with no sheets on their bed and the

发表于:2018-12-14 / 阅读(204) / 评论(0)

史上最强的十七首英文冠军单曲

盘点那些提笔就错的雅思词汇~1

有些单词提笔就忘，这让考雅思的考生们可是郁闷到了极点。在普特英语，小编为广大的雅思考生们收集了这些提笔就忘的高频单词，希望对大家有用哦！ accident/incident accident：突发性的，一

发表于:2018-12-19 / 阅读(163) / 评论(0)

雅思英语

CNN 2010-03-21

WHITFIELD: So if you've watched your fortunes rise and fall on Wall Street, this may be only mildly shocking to you. Those big plunges in your portfolio can also take quite a toll on your health. CNN chief medical correspondent Dr. Sanjay Gupta joini

发表于:2018-12-20 / 阅读(137) / 评论(0)

CNN2010年(三)月

SSS 2010-05-28

This is Scientific America's Sixty-Second-Science. I am Steve Mirsky. Got a minute? Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should

发表于:2018-12-24 / 阅读(130) / 评论(0)

Scientific American(五)月

越说越地道英语下271-272

271. It is too unexpected W: Their team shot one goal at the last minute. M: It is too unexpected! W: They have a good team spirits. M: Darling, why is it you? W: Did I give you a big surprise? M: It's too unexpected! How can we meet here! 272. Price

发表于:2018-12-25 / 阅读(166) / 评论(0)

越说越地道英语

英语博客：Science at home.

As a parent(1), I think a lot about my children's education(2). Is it good or bad? Is it varied, hands-on(3), relevant? The only way to really(4) find out, is to look at their text books, go to their schools, and talk to their teachers. And then, we

发表于:2019-01-01 / 阅读(140) / 评论(0)

英语博客 A cup of English

北师大版高中英语模块7--Unit 21 Lesson2-1

[00:03.08]Unit 21 Human Biology Lesson 2 Brain Power [00:09.67]Exercise 2 Listen to a science lesson. [00:13.42]Use the strategies to complete the gaps [00:15.74]in this summary. [00:22.96]Right, the topic of today's lesson [00:25.59]is the brain. [0

发表于:2019-01-10 / 阅读(329) / 评论(0)

北师大版高中英语模块7(选修)

闭着眼睛飘单词四级词汇32

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的橡皮图,松紧带肘,肘部较老的,年长的 [1:2.6076]elect electrical electron选举,推选电的,电气科学的电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

发表于:2019-01-16 / 阅读(238) / 评论(0)

闭着眼睛飘单词四级词汇

Lightning Safety

By Nancy Steinbach Broadcast: July 2, 2003 This is Steve Ember with the VOA Special English Health Report. Lightning is the release of electrical energy in the sky. Lightning can start fires. It also

发表于:2019-01-27 / 阅读(220) / 评论(0)

VOA2003（下）-环境与健康

法国无四肢男子横渡英吉利海峡

在一次电击事故中失去四肢的法国42岁男子菲利普?克鲁瓦松日前成功横渡英吉利海峡，用时仅13.5小时，比之前预想的24小时快了很多。克鲁瓦松于当地时间周六早晨8点之前在英国南部的福克斯

发表于:2019-01-30 / 阅读(148) / 评论(0)

阅读空间

US Doctors Perform Full-Face Transplant

Doctors at a hospital in the eastern city of Boston have performed the first full-face transplant(移植) in the United States on a man who lost most of his face in a crippling electrical accident. In a 15-hour surgery performed last week, patient Da

发表于:2019-02-04 / 阅读(191) / 评论(0)

英语新闻

24组易混形近词(上)

长得像又容易记混的单词，需要花更多的时间记忆。普特君为你总结了24组易错形近词，寒假花点时间背诵记忆吧~ 1.economic/economical 两者均可表示经济的，其区别可简单地概括为： ①economic主要

发表于:2019-02-05 / 阅读(107) / 评论(0)

英文语法词汇

现在的女孩子喜欢什么样的礼物？

发表于:2019-02-15 / 阅读(137) / 评论(0)

阅读空间

机械专业英语词汇

后角 clearance angle 龙门刨削 planing 主轴 spindle 主轴箱 headstock 卡盘 chuck 加工中心 machining center 车刀 lathe tool 车床 lathe 钻削镗削 bore 车削 turning 磨床 grinder 基准 benchmark 钳工 locksmith 锻 forge 压模

发表于:2019-02-18 / 阅读(184) / 评论(0)

实用英语

【听听测测】Model Test 9

17 What did people once think about lightning? [A] It was a natural phenomenon [B] It was a weapon [C] It came from the God 18What did Benjamin Franklin invent in 1752? [A] The first fishing rod [B] The first lightning rod [C] Lightning 19Which of th

发表于:2019-02-27 / 阅读(230) / 评论(0)

听听测测

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