骶骨底

【医】 basis ossis sacri

骶骨的英语翻译：

sacrum
【医】 hier-; hiero-; jew bone; ossa sacrum; resurrection bone; sacral bone
sacrum; vertebrae magnum

底的英语翻译：

a copy kept as a record; base; bottom; end; fundus; the truth of a matter
【医】 base; basement; bases; basi-; basio-; basis; batho-; bathy-; fimdi
floor; fundus; pavimentum; solum