单词:black lead (graphite)
单词:black lead (graphite) 相关文章
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
第三课 木杆铅笔 Have you a lead-pencil? If not, I want you to get a loan of one, and to look at it very carefully. It is made of woodmost likely of cedar wood, for the wood of the cedar tree is much used for making pencils. 小朋友,你有木
Lesson 4 Black-lead 第四课 黑铅 What is the black-lead in your pencil made of? If you take a bit of the metal which we call lead, you will find that it is grey in colour, very heavy, and not at all like the black-lead in your pencil. But the lea
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
This is the second in a two-part Business English Pod series about an internal meeting to consider a proposal. As we saw in the last episode, this type of meeting can be similar to a negotiation. People with different opinions sit around the table an
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
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
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
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
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
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,
Scared of losing your luggage or tired of dragging it around? A solution has been found. 害怕丢失行李?厌倦了把行李拽到东拽到西?已经找到解决方案了。 Israeli company Nua Robotics has designed a robotic suitcase that foll
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
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。
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
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
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
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
最近上课老是迟到,究其原因无外乎做事情没有提前准备好。闹钟再怎么催,硬是要晚十五分钟才能去完成约定好的任务。 懒散惯了,对闹钟clock这个单词竟然有了很深的认识:对它的态度决
I think heat's gonna be a big issue for everyone working on this face today. 高温是困扰这我们的最大问题 You know, it's gonna be hot,hot as you like on there. 会非常炎热 在那里会非常炎热 You know, any issues, feeling weird,yo