Living independently of another organism; not part of a parasitic or symbiotic relationship.
非寄生或共生的独立于其它有机体而存在的；非寄生或共生关系的
A symbiotic relationship between organisms in which one species is harmed or inhibited and the other species is unaffected.
片害共栖有机体之间共生的作用关系，一个物种受另一个物种侵害或抑制，而后者不受前者的影响
