单词：non-sulfur purple bacteria
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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
新概念优美背诵短文50篇
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 abo
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OliverJeffers生在澳大利亚西部，但成长于北爱尔兰的贝尔法斯特，现在纽约。是个插画师，也是个作家。从 2004 年至今，他在动画界获奖无数。他的画充满童真，有点淡淡的忧伤，但又有浓烈的
TOP50 初级英文绘本
Lesson 12 Pink, Orange, Purple, Green 第12课 粉，橙，紫，绿 1 What colour is it? 1.它是什么颜色？ pink 粉色 orange 橘色 purple 紫色 green 绿色 2 Let's do it. 2.动手做一做。 cut 剪切 scissors 剪刀 write 写 pencils 铅笔
VOA2001-国际风云（5）
[ti:UNIT 2 Colours and Clothes Lesson 10: Pink, Orange, Purple, Green] [00:00.90]UNIT 2 第二单元 [00:02.68]Colours and Clothes 颜色和衣服 [00:06.70]Lesson 10: 第10课： [00:08.38]Pink, Orange, Purple, Green 粉色，橙色，紫色，绿色
河北教育初中英语（初中起点）七年级上
This is Scientific Americans 60-Second Science, Im Christopher Intagliata. Got a minute? Last month's salmonella outbreak got over 1,500 people sick. And one reason salmonella may be such a heavy hitter is that it actually hijacks our immune response
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[00:00.00]Lesson 6 Everyone's wearing purple. [00:03.29]人人都穿紫色衣服 [00:06.58]Text Scene one: The Hello America set [00:14.41]第一幕:你好,美国直播台 [00:22.23]Welcome back to Hello America. [00:24.36]欢迎回到你好,美国演播室。 [00:26.49]Today's g
洪恩环境英语
The divers started in the ocean, but they are now within solid bedrock, 150 feet beneath someone's living room. They are now swimming in the water supply for the town above. Here they find, as they had hoped, life in the pitch darkness. These are hyd
自然百科2009年
The Aldens ate in a fancy restaurant that had long white tablecloths, candlesticks on every table, and music playing softly. Afterwards they went to the line of horse-drawn carriages for a ride. The children were surprised to see that, like the horse
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By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier
VOA常速英语2008年（二月）
But methane is actually odorless, too. 但是甲烷也是无味的。 Well then, what stinks? 那么，什么东西这么臭？ The foul smell is usually due to volatile sulfur compounds, such as hydrogen sulfide and methanethiol, or methyl mercaptan
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AGRICULTURE REPORT – July 2, 2002: Purple Carrots By George Grow This is the VOA Special English AGRICULTURE REPORT. The carrot is a plant with a root that is eaten as a vegetable. Carrots are grown
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Prince经典歌曲:Purple Rain 紫雨 Prince 王子 Prince 原名Roger Nelson，是当代唯一可以横跨黑白音乐领域，自由挥洒并随意组合摇滚乐、流行、节奏与布鲁斯、电子音乐、说唱音乐和黑人灵歌等多种形式
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SCOTT SIMON, HOST: One of the world's most lauded novelists has produced her first collection of short stories in decades. The Purple Swamp Hen And Other Stories is by Penelope Lively, the Man Booker Prize winner for Moon Tiger and the best-selling H
2017年NPR美国国家公共电台5月
We now know that there are a lot of microbes living deep within the Earth, many of which have nothing at all to do with the organic world. 我们现在知道了，有大量微生物生活在地球内部的深处，其中许多与普通的有机世界毫
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