How an Arctic Squirrel Survives Winter - Wild Alaska - BBC
https://www.youtube.com/watch?v=_VnX1IAw_9I 1:24 frozen tundra
Bigger and badder: The next gen Humvee
https://www.youtube.com/watch?v=YKWORl2Mhzs 0:18 the tundra is painted in vivid colors.
Arctic Fox Pups Prey on Goslings
https://www.youtube.com/watch?v=NEYSQYgMGCc 1:18 the frozen tundra
Explorer reaches South Pole in tractor
https://www.youtube.com/watch?v=syDiAnfZMhI 3:10 はるか北のツンドラ
マイティジャックOP full
練習問題解答
a-4233 braved the tundra
b-3143 the arctic tundra
