1.b> , , ; the polar regions ; the polar ice caps .i>, .i> ( i>); polar lights / , i> / ; polar front .i> , ; polar explorers ; Polar star = Pole starr>;
2.b> .i>, .i> ; polar axis [distance] [];
3.b> .i> , / , ; polar positions on the issue / i> ; polar opposite / extreme / i> / ; Ortega's cheerful landscapes are the polar opposites of Miller's dark, troubled portraits / , ;
4.b> . .i> .i> ( i>).