单词	低位微笑
释义	低位微笑医low smile
随便看	fixed region of interest fixed region-of-interest fixed regular working capital fixed regulator fixed relay fixed relay station fixed-removable implant denture Fixed removable prostheses fixed-removable prostheses fixed removeble bridge fixed rent fixed rental fixed reordeing head fixed reorder cycle systems fixed reorder quantity system fixed repeater fixed reproducing kernelfunction fixed resale price fixed reservation system fixed reserve fixed reserve forest fixed residence fixed residue fixed resistance fixed resistance input type volt ratio box