n.寄生生物，寄生虫，寄生植物，依赖他人过活者

原形：parasite复数：parasites

These people live as a parasite on society.
这种人像寄生虫一样生活在社会上。
The parasite infects the whole body.
这种寄生虫会感染整个身体。
Eric regards students as parasites on society.
埃里克把学生视为社会的寄生虫。
The tapeworm is a common parasite that can live in the human intestines.
绦虫是一种常见的寄生虫，能生活在人体肠道中。
Fleas are external parasites that feed on the blood of animals, including cats and dogs.
跳蚤是外部寄生虫，以包括猫和狗在内的动物的血液为食。
Malaria is caused by a parasitic protozoan transmitted through the bite of an infected mosquito.
疟疾是由受感染蚊子叮咬传播的一种寄生原生动物引起的。
Hookworms are parasitic worms that enter the body through the skin, usually infecting the feet.
钩虫是通过皮肤进入体内的寄生虫，通常感染脚部。
Ticks are notorious for transmitting parasites like Lyme disease to humans and pets.
蜱虫因传播如莱姆病等寄生虫给人类和宠物而臭名昭著。
The amoeba Naegleria fowleri is a deadly parasite that can cause primary amebic meningoencephalitis in humans.
福氏耐格里阿米巴是一种致命的寄生虫，可引起人类原发性阿米巴脑膜脑炎。
Some species of birds, like cuckoos, lay their eggs in other birds' nests, parasitizing the host's parental care.
杜鹃等鸟类会在其他鸟的巢穴中产卵，利用宿主的亲代抚育行为作为寄生方式。
The malaria parasite Plasmodium falciparum is particularly dangerous, as it can lead to severe and often fatal complications.
恶性疟原虫疟疾尤其危险，因为它可能导致严重且常常是致命的并发症。
The lice infesting human hair are a common parasite, causing itching and discomfort.
寄生在人类头发中的虱子是一种常见的寄生虫，会引起瘙痒和不适。
The endangered red wolf is threatened by a variety of parasites, including heartworms and roundworms.
濒危的红狼受到多种寄生虫的威胁，包括心丝虫和蛔虫。