【摘 要】
：
现在的橡皮功能太单一了,我想发明一种智能橡皮。这种橡皮的外形就像一个金属的火柴盒,火柴盒的正面有红、黄、蓝三个按钮。按下红按钮,橡皮的一头就会发出红光,无论是铅笔字
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现在的橡皮功能太单一了,我想发明一种智能橡皮。这种橡皮的外形就像一个金属的火柴盒,火柴盒的正面有红、黄、蓝三个按钮。按下红按钮,橡皮的一头就会发出红光,无论是铅笔字还是钢笔字,被这种红光一照就会自动消失;碰到不会念的汉字或英语单词,按下黄按
Now the eraser function is too single, I would like to invent a smart eraser. This rubber shape is like a metal matchbox, the front of the matchbox has red, yellow and blue buttons. Press the red button, eraser will be issued a red light, whether it is a pencil or pen words, this red light will automatically disappear; encounter will not read Chinese characters or English words, press the yellow button
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