PHRASAL VERB 筛除；淘汰 If you winnow out part of a group of things or people, you identify the part that is not useful or relevant and the part that is. 筛除；淘汰 [written]
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The committee will need to winnow out the nonsense and produce more practical proposals if it is to achieve results. [VERB PREP. noun]
委员会若要取得成果，需要摈除不着边际的观点，提出更实际的建议。
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Time has winnowed out certain of the essays as superior. [VERB PREP. noun]
历经岁月淘洗，某些文章终成经典。