Some animals steal our food at night, damage our furniture and spread diseases.

有些动物晚上偷我们食物，毁坏我们的家具，并传播病菌。

youdao

Mosquitoes and flies are harmful insects. They spread diseases and threaten out health.

孩子和苍蝇是害虫。它们散播病菌，威胁我们的健康。

youdao

Mosquitoes also carry dengue fever. The insects can survive in new and different environments. They can spread diseases to new areas.

蚊子也会携带凳革热症，这些昆虫能够存活在各种不同的新环境中，他们也能疾病传播到长各地。

youdao

They can spread diseases to new areas.

VOA: special.2009.05.26

The problem with it is that you also can spread other diseases in that way.

这个方法的问题是,其它疾病也会通过这种方式来传播

耶鲁公开课 - 生物医学工程探索课程节选

How diseases spread, how they can be treated or cured, when they kill somebody.

病情如何蔓延,应该怎样治疗或治愈疾病,它们什么时候会置人于死地

耶鲁公开课 - 死亡课程节选

Genetically modify mosquitoes so they can't spread diseases such as malaria and dengue virus.

FORBES: Chutzpah Science

And they need to be dealt with as they spread diseases and are a health hazard.

BBC: Rat surge fears as councils in Wales cut pest control

However the Californian authorities argue the ban is justified because ferrets can spread diseases like rabies.

BBC: Owners appeal to Obama over California ferret ban