winnow
🇺🇸
/ˈwɪnəʊ/
🇬🇧
/ˈwɪnəʊ/
to separate the useful part from the unwanted part by blowing air
Farmers winnow the wheat to separate the grain from the chaff.
농부들은 곡물을 빗물로 분리하기 위해 흔들어 씌운다.