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①地球的南极和北极。 ②电极的阴极和阳极;磁极的南极和北极。 ③比喻两个极端或两个对立面:~分化。
(1) [North and South Poles of the earth]∶地球的南极和北极 (2) [the two poles (of a magnet or an electric battery; bipolar)]∶电极的阴极和阳极或磁极的南极和北极 (3) [two polarities]∶比喻两个极端或两个对立面 两极分化