polarity
n
1 [U, C] (in a magnet) possession or location of negative and positive poles (磁体的)极性
the polarity of a magnet 磁体的极性
reversed polarity/polarities 反转极性.
2 [U] ~(between A and B) (fig 比喻) difference or separation(between people or things) in condition, views, etc (人或物之间条件、 看法等的)分歧, 对立
the growing polarity between the left and right wings of the party 党内左右翼间日益增大的分歧.
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。
However, in recent times the old-age pension has only been paid to the poorest people because there has been an increase in the number of people out of work.189
然而阳近一段时间,老年养老金只付给那些最穷的人,因为失业的人数一直在增长。
No. Your aunt did foresee that Ms flower might die before her.