单词:
单词: 相关文章
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
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
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
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
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