polarity [poˈlærɪti,pə-]

例句:

• the growing polarity between the left and right wings of the party
  党内左右两派间日益明显的对立
  
• Polarity is inherent in a magnet.
  极性是磁铁的固有性质.
  
• There are miscellaneous tools, pliers , putty knife, polarity stamps, battery stamping or coding equipment, lead cutters.
  有各种工具 、 手钳 、 油灰刀, 极性印戮 、 电他标记打印或编号机 、 铅切刀.
  
• Just on the polarity switch does that effect the brain?
  来自SA
• The polarity of Harry Potter v Lord Voldemort has an echo here.
  来自THETIMES
• It is why we have such oddities as backward polarity signs on batteries.
  来自SA