blue book
短语蓝皮书, 名人录 [经] 蓝皮书
词形变化
blue books
复数
blue books
释义与例句
n.
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1.
A book of statistics or almanac, usually published by an agency or as a trade publication.
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2.
Used other than figuratively or idiomatically: see blue, book.
词汇关系
词源
The term dates back to the 15th century, when large blue velvet-covered books were used for record-keeping by the Parliament of the United Kingdom.
来源:wiktionary