在农业语境中,"winnow"与"thresh"是谷物加工的两个关键环节,其用法差异主要体现在以下方面:
1. 工序位置
- Thresh(脱粒):指通过击打使谷粒从穗轴上分离的初加工过程
例:Farmers used flails to thresh wheat on the threshing floor.
(农民用连枷在打谷场进行麦子脱粒)
- Winnow(扬场):指借助风力分离谷粒与糠秕的后道工序
例:After threshing, they winnowed the grain by tossing it in the breeze.
(脱粒后,他们通过迎风抛洒来扬净谷物)
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