1.Take the sickle which is lying on the grindstone.
把磨刀上的那把刀拿去。
2.there are two distinct types of sickle cell disease.
有两种不同的状细胞病。
3.This nineteenth-century painting shows a Druidess holding both the sickle and a sprig of mistletoe.
这幅十九世纪的了一位女祭司手拿着刀和一些槲寄生的枝叶。
4.Variant hemoglobins (see sickle-cell anemia;hemoglobinopathy) can be used to trace past human migrations and to study genetic relationships among populations.