黑死病由鼠蚤传播，在此之前通常都有大批的老鼠死亡(只有在这时跳蚤才选择人类作宿主)，但在1348年没有人记录下这些。
And bubonic plague, spread by rat fleas, is normally preceded by the death of hordes of rats (only then do the fleas opt for humans). Yet no one in 1348 recorded this.
14世纪英国恶劣的居住环境被认为是造成黑死病传播的主要原因。
Filthy living conditions in 14th Britain have been blamed for allowing the Black Death to spread.
14世纪英国恶劣的居住环境被认为是造成黑死病传播的主要原因。
Filthy living conditions in 14th Britain have been blamed for allowing the Black Death to spread.
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