?字UNICODE编码U+21E8F,10进制: 138895,UTF-32: 00021E8F,UTF-8: F0 A1 BA 8F。(zI.TTCx.nET)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。by Zi.tTCX.NEt