v.扬( winnow的现在分词 );辨别;选择;除去;
例句:
She stood there winnowing all day in the field.
她站在田地里筛了一整天了.
He is winnowing wheat now.
他现在正在簸小麦.
The petrel came winnowing in from afar on the sea.
海燕从遥远的地方振翼飞来.