winnow|winnowed|winnowing

农民们用扇子把谷壳从稻谷中扬出去。

The farmers used a fan to ___winnow the rice from its husks.

农民用簸箕扬谷，把糠秕从稻谷中分离出来。

The farmer ___winnowed the rice to remove the husks from the grains.

农民们正在扬谷，把稻壳和谷粒分开。

The farmers are ___winnowing the rice to separate the grains from the husks.