0 an animal or plant that lives on or in another animal or plant of a different type and feeds from it -- 寄生生物;寄生動物;寄生植物
Financial speculators are parasites on the national economy. 金融投機者是國民經濟的寄生蟲。
The older drugs didn't deal effectively with the malaria parasite. 以前的藥物不能有效對付引起瘧疾的寄生蟲。