跳蚤
a small wingless jumping insect which feeds on the blood of mammals and birds. It is parasitic and can transmit diseases.
示例:• My dog is scratching a lot; I think he has fleas.我的狗挠得很厉害；我想它有跳蚤。• The cat was infested with fleas and needed treatment.这只猫身上长满了跳蚤，需要治疗。