Both extremes; the two poles or opposite ends of something (e.g., opinions or positions).
議論は両極に分かれて、妥協が難しかった。
The debate split into both extremes, making compromise difficult.
性格は両極で表現されることが多い。
Personality is often expressed at both extremes.
考え方が両極にある場合は、中間の視点も必要だ。
When ways of thinking are at both extremes, a middle perspective is also needed.
The North and South Poles (geographical poles).
地球の両極は気候も生態系も極端に異なる。
The Earth's two poles have climates and ecosystems that differ extremely.
南極と北極、両極を極地（りょくち）と呼ぶこともある。
The South and North Poles are sometimes both called polar regions.
Positive and negative poles (as in batteries or magnets).
バッテリーには必ず両極があり、向きを間違えると動作しない。
A battery always has both poles, and if you reverse them it won't work.
磁石の両極は反発したり引き合ったりする。
A magnet's two poles either repel or attract each other.