单词：electron-positron annihilation
单词：electron-positron annihilation 相关文章
efficiency-效率,功效 elaborate -精心计划的,详尽的 elastic -橡皮圈,松紧带 elbow -肘,肘部 elderly-较老的,年长的 elect -选举,推举 electrical -电的,电气科学的 electron-电子 electronic -电子的 elegant -优美的,文雅的 element -元素,要素 elementary-基本的,
用mp3背四级单词
[00:01.10]Ship will self-destruct in T-minus four minutes. 飞船将在T-4分钟后自我毁灭 [00:07.14]Don't you worry about us, Susan. 千万不要担心我们，苏珊 [00:08.22]You finally have a chance to get your old life back. 你终于有机会
听电影学英语-怪兽大战外星人
[00:03.44]this sandwich is an unmitigated disaster. 这个三明治真是十足的失败 [00:06.24]I asked for turkey and roast beef 我要的是全麦面包 里面夹火鸡 [00:06.56]with lettuce and swiss on whole wheat. 和烤牛肉 还有莴苣和瑞
听电影学英语-生活大爆炸
In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo
英文杂志-Magazine
OK, great, we smell vibrations. How? All right? 好吧，我们闻到的是震动。怎么闻到呢？ Now when people ask this kind of question, they neglect something, which is that physicists are really clever, unlike biologists. 当人们问这个问
TED演讲教育篇
This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin
Scientific American(九)月
-Sheldon: What are you doing? 你在干什么? -Leonard: I'm packing up all my collectibles and taking them down o the comic book store to sell. pack up: 打包 collectible：收藏品 我在打包我的收藏品...带到楼下的漫画书店去卖掉
生活大爆炸第一季
-Penny: Okay, first of all, what you call a gap was nearly three feet wide. I slipped And skinned my knee. Are You okay? first of all：首先 gap：缝隙 slip：滑 skin：剥皮 好吧首先呢你所谓的小缝隙有足足3英尺(0.9米)宽我跳过
生活大爆炸第一季
-Sheldon: This sandwich is an unmitigated disaster. I asked for turkey and roast beef with lettuce and Swiss on whole wheat. unmitigated: 绝对的，十足的 disaster: 灾难 turkey：火鸡 roast：烤肉 ，烘烤 lettuce：莴苣 swiss：瑞士奶
生活大爆炸第一季
But despite the Mongol's attempts to master siege warfare, the Chinese were still much more advanced in their military technology. They responded by filling bombs with crude oil, molten metal, chemica
成吉思汗
Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺
2017年VOA慢速英语(十)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
闭着眼睛飘单词 四级词汇
But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a
TED演讲教育篇
What this means in practice is that you can never predict where an electron will be at any given moment. You can only list its probability of being there. In a sense, as Dennis Overbye has put it, an electron doesnt exist until it is observed. Or, pu
万物简史
Finally, in 1926, Heisenberg came up with a celebrated compromise, producing a new discipline that came to be known as quantum mechanics. At the heart of it was Heisenberg's Uncertainty Principle, which states that the electron is a particle but a pa
万物简史
Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom
万物简史
The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen
双语有声阅读