age norm

常见例句

Social age norm developmental norm normal distribution validity
社會年齡常模發展常模正態分佈傚度
He prefers to assort with people of his own age.
他更喜歡與自己的同齡人交往。
Even the best quality rubber will perish with age.
就是最佳質量的橡膠也會因老化而腐爛。
He come to the fore as a physicist at an early age.
他在早年就成了傑出的物理學家。
The average age of the boys in this class is fifteen.
本班男生的平均年齡是十五嵗。
Education should not be restricted to any one specific age group.
教育不應限制在任何特定的年齡組上。