parasite
英 [ˈpærəsaɪt]
美 [ˈpærəsaɪt]
n. 寄生生物; 寄生虫; 寄生植物; 依赖他人过活者
复数：parasites
Collins.1 / BNC.7277 / COCA.8481
牛津词典
noun
- 寄生生物；寄生虫；寄生植物
a small animal or plant that lives on or inside another animal or plant and gets its food from it - 寄生虫；依赖他人过活者
a person who always relies on or benefits from other people and gives nothing back
柯林斯词典
- 寄生虫；寄生物
Aparasiteis a small animal or plant that lives on or inside a larger animal or plant, and gets its food from it. - 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 aparasite.
英英释义
noun
- an animal or plant that lives in or on a host (another animal or plant)
- a follower who hangs around a host (without benefit to the host) in hope of gain or advantage