sickle

镰刀英释中释na tool with a blade in the shape of a hook, used for cutting wheat or long grass

1 sickle cell,镰状细胞；镰形红细胞

2 sickle cell disease,贫血；镰状细胞疾病

3 sickle cell anemia,[医]镰状细胞性贫血

1 He swished the tops off weeds with a sickle..他挥动镰刀嗖嗖地割掉了杂草的草尖。

2 Family history. If your family has a history of an inherited anemia, such as sickle cell anemia, you also may be at increased risk of the condition..家族史如果你有亲人患有遗传性的贫血，比如镰刀细胞性贫血，那么你患有这种贫血的风险也会比一般人高。

3 The flag flutters everywhere, beside red banners with the hammer and sickle, a reminder that the country is one of the last to uphold Marxist values..国旗各处飘扬，伴随着印有镰刀斧头的红色横幅，提醒人们，这是最后一个坚持马克思主义价值观的国家。