handling hard造句

• As long as you hold the toothbrush by its brush and rub the handle hard against the sleeve of your coat , or a piece of fur , both the toothbrush and your sleeve will often become electrically charged
  只要你握住牙刷的刷子，用力把牙刷柄在你袖子上或一块兽皮上摩擦，结果牙刷柄和袖子都会带上电。