Classmate; Alumni.
Plural number:? Students.
Network definition: classmates? ; Alumni? ; Classmate? ; Same school classmate? ; classmate
Bilingual example:
In Shanghai, she lit the necklace with her old one? Classmate.
In Shanghai, she resumed her friendship with her old classmates.
Phrases:
1, visit an old classmate.
2. Students in Class 9.
3. Old classmates who have been away for many years.