The earlyschool student be placed in puberty, have the oneself's special and mental characteristics. "

初 中学生 处于青春期, 有着自己独特的心理特点.

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Even identical twins ( natural human clones ) show different physical and mental characteristics to some degree.

即便是双胞胎旧然的人类繁殖 ) 也在某种程度上表现出体力和智力上的不同特征.

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