tundra
US /ˈtʌn.drə/
UK /ˈtʌn.drə/

1.
tundra
a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen.
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The caribou migrate across the vast tundra.
Le caribù migrano attraverso la vasta tundra.
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Life in the tundra is harsh due to extreme cold and permafrost.
La vita nella tundra è dura a causa del freddo estremo e del permafrost.