amastiaWiktionary 原文英美构词拆解aa-前缀‘without’mastia-mastia后缀‘breast’a-(no longer productive) Forming verbs with the sense away, up, on, out. · (no longer productive) Forming verbs with the sense of intensified action.-mastiaAn abnormality of the breast.词源说明From a- (“without”) + -mastia (“breast”).释义名词noun1The absence of breast tissue, nipple, and areola.