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2019.12.9大A班严一晨—《比较高矮》

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21号九九
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Published on 09 Dec 2019 / In Education environment

比较高矮

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刘
6 years ago

宝贝很不错,能通过目测比较高矮,说明已经感知到了高矮的相对性了。^_^

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