形容词
中文翻译：被筛选的
同义词：
['winnowed', 'refined', 'polished', 'cleaned']
例句：
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1. The grains were winnowed from the chaff to make flour.
谷物被筛选出来制成面粉。
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2. The wine was winnowed by the wind and rain to become more concentrated.
葡萄酒通过风和雨的筛选变得更加浓郁。
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3.The clothes were winnowed from the pile of dirty laundry to find the cleanest ones.
从一堆脏衣服中筛选出最干净的。