preadolescent period少年期
preadolescent firesetter青春前期放火犯
preadolescent acne青春期前痤疮
Sleep Difficulties and Preadolescent Obesity的翻译是睡眠困难和青春期前肥胖病
N（名词） a person who has not yet reached adolescence 青春期前的儿童
ADJ（形容词） of or relating to the period before adolescence 青春期前的