Sagh萨格sagv.下垂；下跌；消沉n.下垂；下跌；凹陷；[航海]随风漂流Sagitta oceanian.大洋箭虫sagittalsection矢状切面sagittal groove矢状沟sag calculation垂度计算Sagitta robustan.粗壮箭虫Sagittarius arm人马臂Sagitta pulchran.美丽箭虫Sagua la Grande大萨瓜Sagittaria L.[医] 慈菇属Sagitta enflatan.肥胖箭虫