这些错误是什么意思
error C2501: 'monthenglishname' : missing storage-class or type specifierserror C2371: 'monthenglishname' : redefinition; different basic types
see declaration of 'monthenglishname'
error C2275: 'month_englishname' : illegal use of this type as an expression
cpp(11) : see declaration of 'month_englishname'
error C2676: binary '++' : 'enum month_englishname' does not define this operator or a conversion to a type acceptable to the predefined operator
这些错误是什么意思啊,看不懂啊