adj.极地的，两极的；正好相反的；[化，物]磁极的，有磁性的；n.[几]极线，极面； 双语释义：adj.(形容词)[A] 南〔北〕极的；(近)地极的 of,near,like or coming from lands near the North or South Poles正好相反的 exactly opposite in kind,quality,etc.英英释义： polar[ 'pəulə ]adj.having a pair of equal and opposite chargeschara