parasite

n. /ˈper.ə.saɪt/ C1

寄生生物；寄生虫

An organism that lives on or in another and feeds from it.

仙境例句

A small parasite lived on the Gryphon's back and never once paid for its dinner.

一只小寄生虫住在狮鹫背上，从来没自己付过晚饭钱。