youngster
noun /ˈjʌŋstə(r)/
  /ˈjʌŋstər/
(informal)- a young person or a child年轻人;少年;儿童 - The camp is for youngsters aged 8 to 14.这个度假营是针对 8 至 14 岁的少年儿童的。 
 Topics Life stagesc1- He started the youth group to keep local youngsters off the streets.他成立了青年团体,不让当地的年轻人上街。 
- He was a talented youngster, naturally gifted at the piano.他是个有天赋的年轻人,天生擅长钢琴。 
- Our aim is to encourage youngsters from all backgrounds.我们的目标是鼓励各种背景的年轻人。 
 
- The camp is for youngsters aged 8 to 14.