1N-COUNT 寄生虫；寄生物 A parasite is a small animal or plant that lives on or inside a larger animal or plant, and gets its food from it. 寄生虫；寄生物
2N-COUNT 不劳而获者；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 . 不劳而获者；寄生虫 [disapproval]