polar vortex

短语

极地涡旋

词形变化

polar vortexes 复数 polar vortexes polar vortices polar vortices 复数

释义与例句

n.
  1. 1.

    A large-scale cyclone located in the middle and upper troposphere and stratosphere that surround the polar highs and lay in the wake of the polar front.

    极地涡旋