A parasite is a small animal or plant that lives on or inside a larger animal or plant, and gets its food from it.
双语例句
例：
Kangaroos harbour a vast range of parasites.
袋鼠身上有各种各样的寄生虫。
例：
Victims have tested positive for intestinal parasites, bacterial infection and viruses which cause fever and diarrhoea.
病人在导致高烧和腹泻的肠道寄生虫、细菌感染和病毒项目测试中呈阳性。 。
例：
The infection is caused by a tiny parasite which can affect humans and pets.
此次感染是由一种可影响人类和宠物的微小寄生虫引起的。
2.?[C 可数名词] 靠他人为生的人 , 寄生虫
If you disapprove of someone because you think that they get money or other things from other people but do not do anything in return, you can call them a parasite.
双语例句
例：
a parasite, who produced nothing but lived on the work of others.