Correct

适龄

/ shìlíng / 
Strokes

Definition

of age/of the appropriate age

Example

As an Adjective

of the right age

1
Shìlíng
适龄
xuǎnjǔrén
选举人

eligible voters

2
Shìlíng
适龄
qīngnián
青年

young people of the right age