adj.体外寄生的

The lice were ectoparasitic, living off the blood of their hosts.
跳蚤是体外寄生虫，靠吸食宿主的血液为生。
Fleas are well-known ectoparasitic insects that can transmit diseases to humans.
跳蚤是著名的体外寄生虫，能够将疾病传播给人类。
Ticks, another type of ectoparasite, attach themselves to hosts for extended periods to feed.
蜱虫，另一种体外寄生虫，会附着在宿主身上进行长时间吸血。
Insecticides are often used to control ectoparasites like fleas and ticks on pets.
杀虫剂常被用来控制宠物身上的体外寄生虫，如跳蚤和蜱虫。
Researchers found that certain species of lice are ectoparasitic, living solely on the body of their host.
研究人员发现某些种类的跳蚤是体外寄生虫，仅靠宿主的身体生活。
Ectoparasites like mites and ticks can cause significant discomfort to their hosts, sometimes leading to health issues.
像螨虫和蜱虫这样的体外寄生虫会给宿主带来明显的不适，有时会导致健康问题。
The use of flea collars and sprays is common in households with pets to combat ectoparasites.
在有宠物的家庭中，使用跳蚤项圈和喷雾来对抗体外寄生虫是很常见的。
Scientists are exploring new methods to prevent ectoparasites from spreading diseases among wildlife populations.
科学家们正在探索新的方法，以防止体外寄生虫在野生动物群体中传播疾病。
Farmers sometimes need to treat livestock for ectoparasites such as lice and mange mites to maintain their health.
农民有时需要给牲畜治疗体外寄生虫，如跳蚤和痒螨，以保持其健康。
Wildlife conservationists educate the public about the importance of controlling ectoparasites in ecosystems to prevent disease outbreaks.
野生动物保护人员向公众普及了控制生态系统中的体外寄生虫的重要性，以防止疾病爆发。