asymbiosisWiktionary 原文英美构词拆解aa-前缀symbiosissymbiosis词干a-(no longer productive) Forming verbs with the sense away, up, on, out. · (no longer productive) Forming verbs with the sense of intensified action.词源说明From a- + symbiosis.释义名词noun1(biology) A lack of symbiosis, especially in an organism that otherwise exhibits symbiosis.