Since grafting reduces maturing age, it should be tried. 既然嫁接能缩短成熟期，就应当试一试。
In the course of this 20-year controversy, English social history came of age. 在这二十年论战的过程中，英国社会史到达了成熟期。
Adolescence is the age when children try to bring up their parents. 青春期就是孩子们试图让父母成长的时候。
Zuckerman also added that early puberty places additional stress on parents who have to explain sexuality at a younger age. 专家指出，青春期提前的孩子，外表看起来似乎成熟了，但他们在心理上仍然还是小孩。
