胶态石墨的润滑作用

文档公开苹果自动驾驶系统曝光!

Apple has been granted a permit to test self-driving cars by the California Department of Motor Vehicles but the company has never said anything about its plan. 苹果公司已经获得了加利福尼亚州车辆管理局允许其进行自动驾驶汽车

发表于:2018-12-11 / 阅读(139) / 评论(0)

英语新闻

访谈录 2008-10-25&10-27 真正的蓝血人

For 40 years, Paul Karason was a fair skin son of the American Northwest, freckles and reddish-blond hair. Like most people who grow older, Pauls hair turned white. But how does he explain this? What was that Aha moment were you think, you know, my

发表于:2018-12-11 / 阅读(162) / 评论(0)

访谈录2008

The New Age of Nuclear Power

The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei

发表于:2018-12-19 / 阅读(298) / 评论(0)

彭蒙惠英语

英语会话800句 Unit39

[00:00.00]I'm gonna get my car waxed [00:02.49]我要去给车子上蜡 [00:04.99]A:What are you up to [00:05.92]你要去做什么 [00:06.84]B:I'm gonna get my car waxed [00:08.15]我要去给车子上蜡 [00:09.46]The exhaust pipe is blocked [00:11

发表于:2018-12-25 / 阅读(212) / 评论(0)

英语会话800句

生活大爆炸第二季第二集_1：The Codpiece Topology

-Sheldon：Worst renaissance fair ever. renaissance：文艺复兴 fair：集市，集会史上最逊的文艺复兴集会。 -Leonard：Please let it go, Sheldon. 别再墨迹了Sheldon。 -Sheldon：It was rife with historical inaccuracies. be rif

发表于:2019-01-01 / 阅读(203) / 评论(0)

生活大爆炸第二季

DEVELOPMENT REPORT - Aid Group Designs System to Make Dirty

DEVELOPMENT REPORT - Aid Group Designs System to Make Dirty Water Safe to Drink By Jill Moss Broadcast: Monday, October 17, 2005 This is Steve Ember with the VOA Special English Development Report. Ea

发表于:2019-01-02 / 阅读(131) / 评论(0)

农业与发展

TED演讲:为什么头盔不能预防脑震荡?(8)

So how can we slow the head down? 那我们该如何减缓头部的向下移动？ A gigantic helmet. So with more space, you have more time, and this is a bit of a joke, but some of you may have seen this. 可以佩戴巨型头盔。空间变大，缓

发表于:2019-01-03 / 阅读(211) / 评论(0)

TED演讲科技篇

Ceramic1 Water Purifier2

Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of

发表于:2019-01-04 / 阅读(175) / 评论(0)

VOA2003（上）-社会广角

SSS 2011-09-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(187) / 评论(0)

Scientific American(九)月

未来家庭和办公室的样子

Microsoft has unveiled its vision of what the home and office of the future will look like - and there are giant screens everywhere. 微软展示了未来家庭和办公室的愿景，四处都是大屏幕。 The computer giant produced the concept v

发表于:2019-01-08 / 阅读(133) / 评论(0)

英语阅读理解

VOA慢速英语2009-Development Report - From Depths of a Librar

This is the VOA Special English Development Report. Jeffrey Schwarz coordinates the water filter project for North America from the Carnegie Library Pot Shop, adapting technology developed in Central America during Hurricane Mitch in 1998 The Braddo

发表于:2019-01-11 / 阅读(139) / 评论(0)

VOA慢速英语2009年（六）月

原汁原味商务英语播客第70课:考虑提议(下)

This is the second in a two-part Business English Pod series about an internal meeting to consider a proposal. 这是2节商务英语播客的第2节，将要学习到在内部会议中考虑提议。 As we saw in the last episode, this type of meeti

发表于:2019-01-18 / 阅读(138) / 评论(0)

原汁原味商务英语播客

TED演讲：学校扼杀创造力(12)

What I think it comes to is this: Al Gore spoke the other night about ecology and the revolution that was triggered by Rachel Carson. 现在，我想说的是：AL Gore曾在这里做过一次演讲，内容是关于生态学以及Rachel Carson引发的

发表于:2019-01-18 / 阅读(108) / 评论(0)

TED演讲教育篇

美国军队将参加约旦多国军事演习

WASHINGTON, May 19 (Xinhua) -- U.S. troops will take part in a multinational military exercise in Jordan next week in a bid to demonstrate the U.S. commitment to security and stability in the region, the Pentagon said Monday. About 6,000 U.S. troops,

发表于:2019-02-04 / 阅读(105) / 评论(0)

英语新闻

中英双语新闻——130 If zombies invade...

Zombie apocalypses. Robot revolutions. These may seem like impossibilities, but many people prepare for these events on a daily basis. 僵尸启示录，机器人革命。这些听起来像是天方夜谭，但很多人日复一日地为这些事变时

发表于:2019-02-14 / 阅读(154) / 评论(0)

中英双语新闻

别人家的马路：巴黎自行车将被允许闯红灯

Cyclists in Paris are to be allowed to ride through some red lights in a bid by the mayors office to get more people on their bikes. 在巴黎骑自行车的人将被允许闯一些红灯，市长办公室此举是为了鼓励更多的人骑自行车。

发表于:2019-02-16 / 阅读(118) / 评论(0)

英语新闻

经济学人:货币的半衰期 (2)

To make the numbers easier to grasp, they have provided an alternative way to express them. 为了让大家更好理解这些数据，他们提供了另一种表述方式。 They calculate how long it would take for prices to double, if inflation per

发表于:2019-02-17 / 阅读(138) / 评论(0)

经济学人财经系列

女性单独外出的十大注意事项

1. Awareness 有自我保护意识 True self-defence begins long before any actual physical contact: awareness of yourself, your surroundings, and your potential attacker's likely strategies. 在遭受任何攻击前，就要早早地有真正的自卫

发表于:2019-02-18 / 阅读(120) / 评论(0)

阅读空间

俄罗斯确认恐怖袭击导致空难

The head of Russia's Federal Security Service Alexander Bortnikov revealed that the plane crash was the result of a terrorist attack, and that explosives were used to orchestrate it. According to our experts, a homemade explosive device equivalent to

发表于:2019-02-18 / 阅读(127) / 评论(0)

英语新闻

TED演讲 4D打印机的诞生(5)

So I know you're probably thinking, okay, that's cool, 我知道大家现在大概会想，好吧，看着挺酷的， but how do we use any of this stuff for the built environment? 但是我们怎么把它应用到生产环境里？ So I've started

发表于:2019-02-21 / 阅读(211) / 评论(0)

TED演讲教育篇

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学英语单词

a string of beads

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Brassica oleracea gemmifera

catercornered