polarizationn.极化
Polarisn.北极星
polarity end极性端
polarity era极性代
polarity age极性年龄
polarity mark极性标记
polarity coil极性线圈
polarity test极性试验
polarity lamp极性检测灯
polarity probe荧光探针
"he viewed it as a balanced polarity between good and evil"
"he got the polarity of the battery reversed"
"charges of opposite sign"