Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(460) / 评论(0) 分类 新概念优美背诵短文50篇

High-Resolution Microscope Brings Tiny Worlds Closer to Researchers 高分辨率显微镜让研究员更好观察小世界 Modern microelectronic devices contain billions of components crammed into thumbnail-size flakes. The chemical industry uses na

发表于:2018-12-08 / 阅读(44) / 评论(0) 分类 VOA标准英语2015年(十月)

除了染上花粉热我们很少有人会注意到花粉。可是显微镜下花粉却有着令人吃惊的颜色和形状--并能很好地传播。乔纳森 卓瑞给我们近距离的简要介绍了身负植物交配重任的迷人微粒。

发表于:2018-12-09 / 阅读(166) / 评论(0) 分类 TED公开课:生态谜云

The microscope. In their course of their professional work, scientists often take photos of microscopic objects. And often, the resulting images can be quite beautiful. For thirty years, Nikon, the camera company has held an annual competition to sel

发表于:2018-12-11 / 阅读(56) / 评论(0) 分类 万花筒2008年

AS IT IS 2014-06-28 DIY Microscope Costs Only One Dollar 自制显微镜只需一美元 From VOA Learning English, this is As It Is. Today we hear about a recent development in microscope technology. Now, you might think this will be about a costly a

发表于:2018-12-16 / 阅读(54) / 评论(0) 分类 2014年VOA慢速英语(六)月

也许你玩过纸卡娃娃,或者折过纸天鹅? TED 伙伴马努普拉卡什和他的团队发明了一种用纸做的显微镜,易折易用。他精彩的演说展示了,这项发明能如何为发展中国家的医疗状况带来革命性的

发表于:2018-12-18 / 阅读(123) / 评论(0) 分类 TED演讲集:2014创意的一年

So over the past few centuries, microscopes have revolutionized our world. 过去的几个世纪,显微镜改变了世界。 They revealed to us a tiny world of objects, life and structures that are too small for us to see with our naked eyes. 它揭

发表于:2018-12-18 / 阅读(49) / 评论(0) 分类 TED演讲科技篇

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-02 / 阅读(69) / 评论(0) 分类 60秒科学

In the space that used to house one transistor, we can now fit one billion. 在以前,可以放置一个晶体管的空间,现在可以放10亿个。 That made it so that a computer the size of an entire room now fits in your pocket. 这导致曾经

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 TED演讲科学篇

高清显微镜探索微型世界 Modern microelectronic devices contain billions of components crammed into thumbnail-size flakes. The chemical industry uses nanoparticles to make better cleaning products, while pharmaceutical companies use them for

发表于:2019-01-14 / 阅读(97) / 评论(0) 分类 VOA标准英语2016年(一月)

A: What kind of music do you enjoy listening to? B: I enjoy listening to all kinds of music. A: What kind? B: I like to listen to Rock and RB. A: Why do you like that type of music? B: I like the kinds of instruments that they use. A: I think that's

发表于:2019-01-20 / 阅读(132) / 评论(0) 分类 英语闲谈

维拉德威根向大家讲述他如何在艰难孤独的童年生活中发现了自己的独特才能创造用肉眼无法看见的艺术作品。他的幻灯片展示了显微镜下他那些令人叹为观止的艺术作品。

发表于:2019-02-05 / 阅读(105) / 评论(0) 分类 TED公开课:艺术与幻觉

Any simple organisms, alas, would have been baked away by the processes that turned ocean mud to stone. 哎呀,任何简单的生物都会在海洋污泥变成石头的过程中被烘烤没了。 Instead what we would see if we crunched up the rock

发表于:2019-02-17 / 阅读(90) / 评论(0) 分类 万物简史

Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacter

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 双语有声阅读

48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac

发表于:2019-02-17 / 阅读(77) / 评论(0) 分类 双语有声阅读

microcomputer n.微型计算机 microphone n.话筒,扩音器 microprocessor n.微处理器 microscope n.显微镜 microscopic a.显微镜的;微观的;细致的 microwave n.微波 middle n./a.中间(的

发表于:2019-02-17 / 阅读(71) / 评论(0) 分类 考研英语

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

发表于:2019-02-25 / 阅读(98) / 评论(0) 分类 双语有声阅读

How could you say you know who I am? Do you ever wonder why I'm here? The thoughts play back in your head like a film that has been stick on repeat. Imagine that this picture of me is painted for you. A portrait is made to hold a moment and moments w

发表于:2019-02-26 / 阅读(86) / 评论(0) 分类 英文摇滚歌曲

SPIM stands for Selective Plane Illumination Microscopy. SPIM is a new kind of microscope technology. It provides a significantly sharper image than current microscopes, and it also allows one to study living organisms without destroying or harming t

发表于:2019-03-06 / 阅读(127) / 评论(0) 分类 英语时差8,16