何为“髓之海”

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28176' and id < 2307914 and id<>'2307914' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28176' and id > 2307914 and id<>'2307914' order by id asc limit 5