以黑死病为例。这种疾病最常通过跳蚤叮咬传染给人类，跳蚤生存在啮齿类动物上。
Take bubonic plague for example. The disease is most commonly transmitted to humans through flea bites, and the fleas live on rodents.
以黑死病为例，最常见的方式是通过跳蚤叮咬传染给人类，而跳蚤在啮齿类动物身上生存。
Take bubonic plague, for example. The disease is most commonly transmitted to humans through flea bites, and the fleas live on rodents.
本品为接触性杀虫方式，在24小时内杀死跳蚤，避免跳蚤叮咬及产卵，有效控制跳蚤过敏性皮肤炎，并阻断跳蚤生活史。
This product is a contact insecticide, which kills fleas within 24 hours, avoids flea biting and oviposition, effective controls the flea allergic dermatitis and breaks the flea life cycle.
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