het·er·o·troph
noun/ˈhetərətrəʊf/, /ˈhetərətrɒf/
/ˈhetərətrəʊf/
(biology)- a living thing that gets its food from the body of another living thing and does not make it from simpler substances
异养生物：一种从另一种生物的体内获取食物而不是通过简单物质制成的生物 Word Originearly 20th cent.: from hetero- ‘other’ + Greek trophos ‘feeder’.