Sagh萨格sagv.下垂；下跌；消沉n.下垂；下跌；凹陷；[航海]随风漂流Sagitta regularisn.正形箭虫sagittate section矢状切面Sagitta hexapteran.六翼箭虫sagging condition中垂sagittal sections矢状断面Saguinus leucopusn.白足狨sagittal fontanel[医] 矢囟, 惹迪氏囟(矢状缝内)sagging resistance抗下垂性Sag Vertical Curve凹形竖曲线Sagitta bipunctatan.双斑箭虫