Usually, the paper will jump up to the brush, attracted by the electrostatic charges formed by the friction between your hair and the brush.

　
英 美
  • 在一般情況下,紙片會(huì )朝著(zhù)刷子的方向跳動(dòng),這是由于頭發(fā)與刷子的摩擦產(chǎn)生的靜電荷對紙片產(chǎn)生吸引的緣故。
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