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同学,你年轮几何呀?咳,老喽,年轮14啦!你呢?我?我正年轻呢!年轮嘛,才18 !哈哈!真是,这话听起来像密语。
Your classmates, your ring geometry? Cough, old myself, the annual ring 14 it! You? I? I am young! Well, only 18! Ha ha! Really, these words sound like whisper.