Though the industry's coming of age is still some way in the future, this launch marks its transition from childhood to adolescence.
虽然业界的“成熟期”（固定盈利时期）仍然遥不可期，但是这次发射标着行业已完成了从“儿童期”（探索时期）到“青春期”（迅速发展时期）的过渡。
As children transition from childhood to early adolescence, the parent's role begins to change.
当孩子从儿童时期过渡到青少年早期时，父母的角色就开始变化了。
Adolescence is the process of going from childhood to maturity.
青春期是从少年到成年的过渡期。
The onset age of patients varies from birth to adolescence, mostly in childhood.
从出生后至青春期这一年龄段的任何时期均可发病，多在儿童期起病；
The onset age of patients varies from birth to adolescence, mostly in childhood.
从出生后至青春期这一年龄段的任何时期均可发病，多在儿童期起病；
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