winnowed
adj. 扬净的；风选的
v. 把挑出来（winnow 的过去式和过去分词）
例句
Time has winnowed out certain of the essays as superior.
历经岁月的淘洗，有些文章成为经典。
《柯林斯英汉双解大词典》
Administration officials have winnowed the list of candidates to three.
行政官员将候选人名单筛减到三人。
One hundred finalists from 47 countries were winnowed from over 1,700 entries.
100位入围者从1700多个参赛选手中脱颖而出。
