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新东方优美背诵短文50篇 Unit48: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 bacteria are u

发表于:2018-11-28 / 阅读(500) / 评论(0)

新概念优美背诵短文50篇

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发表于:2018-12-01 / 阅读(203) / 评论(0)

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数学英语 38 What Do Prefixes Mean in Math? - Part 1

by Jason Marshall We use a lot of math words in our day-to-day lives without really understanding what they mean or where they come from. For example, prefixes like mega, giga, and tera that we use to describe computer hard drive sizes (think megabyt

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数学英语

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[00:04.49]Reading WHO AM I? [00:09.25]I began only as a calculating machine in 1642 in France. [00:16.51]Then in 1822 I was built as an Analytical Machine by Charles Babbage. [00:25.57]I followed instructions from cards with holew. [00:30.62]I know t

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SSS 2012-01-13

This is Scientific America's 60 second science, I'm Sentay Graber, this will just take a minute. Magnifying glass, telescope, tiny tiny tape measure, these are the weapons with which researchers are fading it out to find the world's smallest frog.One

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SSS 2012-01-16

Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl

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考研背诵50篇——48 Bacteria

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考研背诵50篇

每日一词【1023】heat wave：热浪，高温天气

今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

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英语每日一词

SSS 2011-07-08

Cameras were once big and bulky. Today,really good cameras fit in your pocket. And now, researchers at Cornell havedeveloped a camera thats just a half-millimeter on each side and a hundredthof a millimeter thick. The lens-less device is called a Pla

发表于:2019-01-08 / 阅读(135) / 评论(0)

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This is the VOA Special English Economics Report. Events for the launch of Vista included dancers on the wall of a New York building This week, with dancers and other events, Microsoft launched the general release of its new operating system for pers

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2016诺贝尔化学奖:世界上最小的机器

AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea

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EXPLORATIONS - Nanotechnology: How the Science of the Very Small Is Getting Very BigBy Mario Ritter Broadcast: Wednesday, February 08, 2006 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith

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I started to listen to music a whole lot, and I started to read more outside of just science and technologyShakespeare, Plato. I loved King Lear. 我开始听很多音乐，阅读科技以外的书，例如莎士比亚、柏拉图的作品。我爱看《

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I was just trying to make it talk. 我刚才只是想让它说话 By sticking a gun in its mouth? 所以就把枪塞进了它嘴里? Our skitter's breathing and heart seem fine. 这个掠夺者呼吸心跳看上去算平稳 So why'd it just collapse?

发表于:2019-01-29 / 阅读(144) / 评论(0)

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Got ballistics back on the Holder murder. 霍尔德凶案的弹道分析出来了 They pulled two 7.62 millimeter bullets out of him. 他们取出了他身上两枚7.62毫米的子弹 According to the stippling and size of the entry wound, 根据伤口

发表于:2019-01-29 / 阅读(104) / 评论(0)

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SCIENCE IN THE NEWS - Rethinking the Personal Computer in a World That Centers on the InternetBy Caty Weaver and produced by Mario Ritter Broadcast: Tuesday, August 15, 2006 VOICE ONE: This is SCIENCE

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经济学人228:半导体芯片技术集资

Business 商业报道 Semiconductors 半导体 Chipping in 芯片技术集资 A deal to keep Moore's law alive 一场交易使得摩尔定律劫后余生 THE arrival of a new generation of semiconductors has come a little closer. 新一代半导体诞生

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Intel unveils 3-D transistors

SAN FRANCISCO, May 4 (Xinhua) -- Intel Corp. on Wednesday announced that it will mass-manufacture chips using new transistors featuring a three-dimensional (3-D) structure, calling it a technical breakthrough in microprocessors. The 3-D transistor, c

发表于:2019-02-05 / 阅读(164) / 评论(0)

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双语有声阅读：细菌

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(125) / 评论(0)

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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

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