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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 abo

发表于:2018-12-01 / 阅读(141) / 评论(0) 分类 新东方背诵文选

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 us

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多功能英语阅读21 Call Me Rastus

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 多功能英语阅读

By George Dwyer Washington 01 November 2007 The famous Madame Tussauds waxworks museum first opened in London in 1884, and has drawn curiosity seekers from around the world ever since. Over the years the presentation of lifelike wax figures has prove

发表于:2019-01-11 / 阅读(67) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(66) / 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(46) / 评论(0) 分类 双语有声阅读
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all-burnt (time)
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