Sagh萨格sagv.下垂；下跌；消沉n.下垂；下跌；凹陷；[航海]随风漂流sag vritical curve凹曲线Sagitta johorensisn.柔佛箭虫sagging of ceiling天花下垂Sagittal alignment轴性症状Sagitta planctonisn.漂浮箭虫sagittal diameters矢状径sagittal osteotomy矢状截骨术Sagittaria pygmaean.矮慈姑Sagittarius galaxy人马星系Saguinus imperatorn.长须狨