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单词
learning resources center
释义
WordReference Random House Unabridged Dictionary of American English © 2024
learn
′
ing re′sources cen′ter,
Library Science
a library, usually in an educational institution, that includes and encourages the use of audiovisual aids and other special materials for learning in addition to books, periodicals, and the like.
1965–70
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sulfonium
sulfonyl
sulfonyl chloride
sulfo radical
sulfoxide
sulfur
sulfurate
sulfurated potash
sulfuration
sulfurator
sulfur bacteria
sulfur-bottom
sulfur butterfly
sulfur dioxide
sulfur dye
sulfureous
sulfureously
sulfureousness
sulfuret
sulfureted hydrogen
sulfur-flower
sulfuric
sulfuric acid
sulfuric anhydride
sulfuric ether
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更新时间:2025/11/18 1:41:15