2011年雅思词汇辅导高频词汇：bacteria

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bacteria  
+ O3 u2 w2 q" M1 R; k　　n. （plural of bacterium）a type of very small organism that lives in air. earth, water, plants and animals, often one which causes a disease细菌
; Z  P, R: u0 L% w; |　　Bacteria grow best in hot, damp conditions, and are often to be found in most domestic bathrooms and kitchens. 细菌适宜在湿热的条件下生长，在大多数的家庭厨房和浴室里都能发现它们。