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(424) / 评论(0) 分类 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

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

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 hook He hung his coat on the hook behi

发表于:2018-12-05 / 阅读(71) / 评论(0) 分类 每日攻克5词

发表于:2018-12-25 / 阅读(91) / 评论(0) 分类 中式口语纠错

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

发表于:2019-01-07 / 阅读(67) / 评论(0) 分类 VOA常速英语2008年(二月)

Teetotal: 滴酒不沾 逢年过节、亲朋相聚,餐桌上自然免不了酒。如果您不胜酒力,倒真不如干脆一点,直接来句 我向来滴酒不沾。这句搪塞之辞,其相应的英文表达是:I am a teetotaler。关于te

发表于:2019-02-18 / 阅读(54) / 评论(0) 分类 英语口语