Chen Yik Hei told reporter that he invented his first product when he was in Class three, and attended Numbers of inventive competitions for science and technology.
陈易希告诉记者，他读小学三年级时就已发明了他的第一件科技产品。他曾参加过数不清的科技发明比赛。
Chen Yik Hei told reporter that he invented his first product when he was in Class three, and attended Numbers of inventive competitions for science and technology.
陈易希告诉记者，他读小学三年级时就已发明了他的第一件科技产品。他曾参加过数不清的科技发明比赛。
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