详细解释:n. 寄生生物, 寄生虫, 食客
【医】 寄生物; 寄生胎
英语解释：
名词 parasite:
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 hosta follower who hangs around a host (without benefit to the host) in hope of gain or advantage同义词：leech, sponge, sponger