oindexosteosis./os-tee-oh-sis/US // ˌɒs tiˈoʊ sɪs //骨质疏松症,骨质增生症,骨质软化症,骨质疏松Definitionsn.noun · 名词1.›the formation of bony tissue, usually infiltrating connective tissue.Level 3More words in o →