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n.筛(选),筛分(法);v.筛,漏勺( sieve的现在分词 ); 英英释义: sieve[ 'si:viŋ ]n.a strainer for separating lumps from powdered material or grading particles同义词:screenv.examine in order to test suitability同义词:screenscreen outsortcheck and sort carefully同义词:siftseparate by passi