- The C clef positioned to indicate that the fourth line from the bottom of a staff represents the pitch of middle C.次中音谱号：表示从底线向上的第四根线代表中音C的C型谱号
- margravine
- margravines
- Margrethe II
- marguerite
- marguerites
- maria
- maria
- mariachi
- mariachis
- Maria College
- Marian
- Mariana Islands
- Marianas Trench
- Marian College
- Marian College
- Marian College of Fond Du Lac
- Marian Court Junior College
- Marians
- marias
- Marias
- Maria Theresa
- Maribor
- Marichal
- Maricopa
- Maricopas