Be careful around animals - as they can be a source of parasitic infection.

小心周围的动物-因为它们可以是一个来源，寄生虫感染。

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Any of various small wingless bloodsucking insects of the order siphonaptera that have legs adapted for jumping and are parasitic on warm-blooded animals.

跳蚤蚤目的各种小型、无翅吸血昆虫中的任一种，长有适于跳跃的腿，寄生在温血动物身上。

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