shì​líng

of age

适龄 (適齡) shì​líng
of age adjective
being within the required or appropriate age for a specific activity, such as education, marriage, or military service

All school-age children must be enrolled in compulsory education.

Frequency

Movie subtitles
0.090 per million appears in 0% of films
Written text
2.94 per million

Sources

Definitions
CC-CEDICT