[C]寄生物 animal (e.g. a flea, louse) or plant (e.g. mistletoe) that lives on or in another
[C]靠他人为生的人 person who lives off others and gives nothing in return
英英释义
Noun:
an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
parasite的用法和样例：
例句
用作名词 (n.)
Rupture of the parasite may result in anaphylaxis. 寄生虫的碎裂可能导致过敏反应。
These flies carry a dangerous parasite. 这些苍蝇携带一种危险的寄生虫。
The parasite's host could be any bird. 该寄生生物的宿主可以是任何鸟类。
The result is a repeated signal, and a new limb forms in addition to the one to which the parasite attached itself. 这样的结果将是一种持续的讯号，而一种被寄生生物附著在肢体上所产生的新的生长型态将应运而生。
The host is not always injured by association with a parasite. 主人与食客结交并不一定会吃亏。
She was essentially feminine, in other words, a parasite and a chalice. 她在本质上是个女人，换句话说，是一个食客和一只酒杯。
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