polarity

释义

n. 极性, 截然相反\n[医] 极性, 极性现象 reverse polarity [电子]反极性；逆偏振 opposite polarity 相反极性 polarity reversal 反极性；极性变换；极性倒转

例句

Several people have asked me about the origins of the polarity concept I began exploring last year.

有几个人曾问我有关极性概念的由来，极性概念是我去年开始研究的。