它迫使我们去分析混合体，分析不同文化之间的相互传播和结合。
It forces us to analyse mixtures, the spreads of culture into each other and in combination with each other.
当出现人与人之间可以相互传播的案例时，流感大流行就开始了。
When human cases become transmissible from human to human, a flu epidemic begins.
公厕使用人群较广，形形色色的人在使用公厕时很可能会将病菌相互传播，造成感染。
Public toilets crowd a broader, use of a variety of people in using public toilets are likely to cause infection, the bacteria spread each other.
但研究人员也发现了这样一个病例：住在毗邻医院病房的5个病人在两个礼拜的时间内相互传播了细菌。
But the researchers also found evidence of a spread among five patients in adjacent hospital wards over a two-week period.
如果大家的牙刷都放到一个漱口杯里并且有所接触的话，细菌就会在牙刷之间相互传播，导致交叉感染。
When toothbrushes are stored in close together and touching in a tooth mug, the germs can pass from one to another, leading to the risk of cross contamination.
如果大家的牙刷都放到一个漱口杯里并且有所接触的话，细菌就会在牙刷之间相互传播，导致交叉感染。
When toothbrushes are stored in close together and touching in a tooth mug, the germs can pass from one to another, leading to the risk of cross contamination.
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