1Obtained, removed, or separated from a substance, mixture, etc., using large sieve or other filter.
2Identified, selected, excluded, or removed by means of screening.
Early 20th century; earliest use found in Scientific American.
英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。