magnetic pole

magnetic-pole的词性：
n.（名词）

1. Either of two limited regions in a magnet at which the magnet's field is most intense, each of which is designated by the approximate geographic direction to which it is attracted.
磁极：一个磁体磁场强度最大的两端区域之一，每一个区域都由吸引它的相近地理方向来指示

2. Either of two variable points on the earth, close to but not coinciding with the geographic poles, where the earth's magnetic field is most intense and toward which a compass needle points.
地磁极：地球上易变的两个点之一，靠近但并不等同于地理的两极，在地磁极上地球磁场的强度最大，而且罗盘上的指针总是指向地磁极