polar

US /ˈpolɚ/

UK /ˈpəʊlə(r)/

B1 中級
adj.形容詞南極の
Penguins live mainly in the polar regions of the world

動画字幕

世界を変える20の新技術 (20 Emerging Technologies That Will Change The World)

48:48世界を変える20の新技術 (20 Emerging Technologies That Will Change The World)

極渦とは何か? (What Is A Polar Vortex?)

00:42極渦とは何か? (What Is A Polar Vortex?)