`polar` 这个单词的读音如下:
英式发音:[ˈpəʊlə(r)]
美式发音:[ˈpoʊlə(r)]
`polar` 作为形容词,意味着与极地区域或极性有关,例如:
极地的(of or near the North or South Pole)
两极的(opposite or exactly the same in opposite ways)
极性的(relating to the poles of a magnet or having a pair of equal and opposite charges)
作为名词,`polar` 可以指代:
极线(a line or plane that passes through the center of a sphere and is perpendicular to the surface)
极面(a plane that passes through the center of a sphere and is perpendicular to the surface)
希望这能帮助你理解 `polar` 这个单词的读音和意义