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》

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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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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I sound my barbaric yawp over the roofs of the world ( Walt Whitman ).

我在世界屋脊上粗声叫喊 ( 沃尔特·惠特曼 ).

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It originates from the Tuotuo River on the southwestern side of the snow - draped Geladandong.

长江发源于世界屋脊 -- 青藏高原的各拉丹冬雪山西南侧,正源沱沱河,南源当曲河,北源楚玛尔河.

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