电动联锁装置

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(144) / 评论(0) 分类 大千世界

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(157) / 评论(0) 分类 听广告学英语

Broadcast: Jan 15, 2003 By Jerilyn Watson This is the VOA Special English Health Report. Many millions of people around the world suffer from problems of the small intestine. Bleeding from abnormal gr

发表于:2018-12-07 / 阅读(109) / 评论(0) 分类 VOA2003(上)-健康资讯

[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(93) / 评论(0) 分类 初中英语人教版初三

[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(144) / 评论(0) 分类 高中英语人教版高一

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(136) / 评论(0) 分类 史上最强的十七首英文冠军单曲

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(73) / 评论(0) 分类 CNN2010年(三)月

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(69) / 评论(0) 分类 Scientific American(五)月

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(98) / 评论(0) 分类 越说越地道英语

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(81) / 评论(0) 分类 英语博客 A cup of English

Scientists know all about the therapeutics qualities of blue and red light. But until know, sufferers of acne have to go to hospital to benefit from it. But Lumie, the manufactures of this new LED device hope it would see light therapy moving to the

发表于:2019-01-09 / 阅读(101) / 评论(0) 分类 英语杂谈

[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(255) / 评论(0) 分类 北师大版高中英语模块7(选修)

美国研究人员尝试从微风中获取能源 Solar chargers are effective only when the sunlight is relatively strong,but researchers at the Construction Engineering Research Laboratory in Illinois turned to the wind as another natural source of

发表于:2019-01-14 / 阅读(75) / 评论(0) 分类 VOA标准英语2015年(十二月)

[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(169) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

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(90) / 评论(0) 分类 阅读空间

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(77) / 评论(0) 分类 英语新闻

Topics: Advanced Placement courses and tests; Legos/Legoland and Hot Wheels; might versus maybe; judgment call; no-brainer Words: placement college-level subject area to gear up financial aid college credit interlocking kit theme park replicate track

发表于:2019-02-15 / 阅读(61) / 评论(0) 分类 美语听力 English Cafe

现在的女孩子喜欢什么样的礼物?

发表于:2019-02-15 / 阅读(65) / 评论(0) 分类 阅读空间

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(114) / 评论(0) 分类 实用英语

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(162) / 评论(0) 分类 听听测测