A facultative parasite can exist as a parasite or a saprophyte .

兼性寄生菌能够象寄生虫或腐生物一样生存。

A plant , such as a parasite or saprophyte , that obtains its nourishment from other living or dead organisms .

异养植物一株从其他的活的或死的有机物身上得到养分的植物，如寄生植物或腐生植物。