polarities

基本解释

• n.极性；磁性引力；两极

同根派生

英汉例句

用作名词 (n.)

• Polarity is inherent in a magnet.
  极性是磁铁的固有性质。
• Note the polarity of the voltage drop across R.
  注意R上电压降的极性。
• The hydrophobicity is related to molecular volume and polarity.
  分子的疏水性跟分子的体积和极性有关。
• The field is strongest at the poles, diminishes at the equator, and differs in polarity from the Northern to the Southern Hemisphere.
  南北两极的磁场最强，赤道上磁场较为微弱，而各地的磁性也会因纬度而改变。
• He got the polarity of the battery reversed.
  他把电池两极弄反了。