借助于载体，药物从髙浓度区向低浓度区 扩散

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30789' and id < 2479505 and id<>'2479505' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30789' and id > 2479505 and id<>'2479505' order by id asc limit 5