The Qinghai - Xizang Plateau has long been known as the roof of the world.
青藏 高原素有世界屋脊之称.
《现代汉英综合大词典》
FLYING over the roof of the world can be tricky.
飞跃世界屋脊可能很棘手.
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From me somewhere the roof of the world.
来自世界屋脊的某个地方.
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The ice fields at the roof of the world are shrinking.
这世界屋脊的冰原也在渐渐消融.
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