环极涡旋 huánjíwōxuán circumpolar vortex Definitions Defs Origin Strokes Stroke Words Sentences Sents 环极涡旋 環極渦旋 huánjíwōxuán circumpolar vortex large-scale area of low pressure and cold air surrounding both of the Earth's poles
环极涡旋 環極渦旋 huánjíwōxuán circumpolar vortex large-scale area of low pressure and cold air surrounding both of the Earth's poles
