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我是一位聪明、机灵的三年级学生,好奇心特强。刚上一年级时,我就参加了学校的科技兴趣小组。去年我发明的“新型盲人报警拐杖”
I am a clever, clever third-year student, extremely curious. When I was in the first grade, I joined the school’s science and technology interest group. Last year I invented the “new blind crutches alarm”