het·er·o·troph·ic
adjective/ˌhetərəˈtrəʊfɪk/, /ˌhetərəˈtrɒfɪk/
/ˌhetərəˈtrəʊfɪk/
(biology)- (of a living thing) getting food from the body of another living thing and not by making it from simpler substances
异养：从另一种生物的体内获取食物，而不是通过