Beyond the limits of the last tree, the planet is barren and ice-locked. 在最后一批树木以外的地方, 处处是冰天雪地 一片荒芜
if they tire of tree bark and other survival food 如果它们厌倦了树皮和其它残存的食物
These stunted shrubs mark the tree line - 这些矮小的灌木标志着森林界线