sicklen.镰刀sickle cellthalassemia镰状细胞-地中海贫血sickle-shaped knives[医] 镰状刀sickle cell retinopathy镰状红细胞视网膜病, 镰状红细胞性视网膜病变sickle cell nephropathy镰状细胞肾病sickle cell anemia test镰状细胞贫血试验sickle red cell disease镰状红细胞病sickle cell thalassemia镰状细胞性地中海贫血Sickle-winged Nightjarn.镰翅夜鹰sickle-type embryotome镰状碎胎刀sickle-cell hemoglobin镰刀细胞血红蛋白