世界屋脊 shìjièwūjǐ roof of the world Origin Definitions Defs Strokes Stroke Words Sentences Sents 世界 shìjiè noun world the whole earth or all countries; nature and human society as a whole屋脊 wūjǐ noun summit; top the highest point of a geographical feature, often used metaphorically for a high plateau like the 青藏高原 qīngzànggāoyuán