In this audio clip, you can hear the McDonald family sing "Dog Flea."

在剪辑内，您可以听到麦克当劳一家正在欢唱「狗身上的跳蚤」。

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One night, a flea bites Dog. "Woof! Woof!" Dog wakes up.

某晚，一只跳蚤把小狗咬醒了，小狗狗“汪汪！”

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Can it be? a wakeful flea. on a slumbering mouse, on a snoozing cat, on adozing dog, on a dreaming child, on a snoring granny, on a cozy bed. In a nappinghouse. where everyone is sleeping.

一只醒着的跳蚤在熟睡的老鼠上面，老鼠睡在打呼噜的小猫的上面，小猫睡在打盹儿的小狗上面，小狗睡在做梦的孩子的上面，孩子睡在打着鼾的奶奶上面，奶奶睡在舒适的床上，在那打瞌睡的房子里，每个人都在睡觉。

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It showed the distribution of the most common varieties including the human flea (Pulex irritans), the dog flea (Ctenocephalides canis) and the cat flea (Ctenocephalides felis).

BBC: Who, What, Why: Have flea numbers jumped?