Presi普雷西Presabbr.主席；总统(=President)abbr.现在(=present)preservation film保鲜膜prestriate cortex纹前皮层preselected scrap备好的废钢prestressed layer预应力层presiding officer主席prestressing load预应力Preservation time保存时间prestress project预应力工程prestressed stand预应力机架presection suture[医] 剖前缝术