1
the young
young people
The young are easily misled.
2
[plural] a group of young animals that belong to a particular mother or type of animal
The lioness fought to protect her young.
Main Entry: 2young
Function: noun
Inflected Form(s): plural young
1 plural a : young persons : YOUTH b : immature offspring -- used especially of animals
选自韦氏字典 所以their young 是正确的