sickle

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。

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。

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。