Yaks have many uses. Their dung fuelled the fires of the nomads who once roamed the largely treeless Tibetan plateau. Yak milk is turned into butter, yoghurt and extremely hard dried cheese; the butter is burnt as lamp oil, used in tea or smeared on the face as a cosmetic.
牦牛有很多用途。以前，在基本上找不到树木的青藏高原上游牧的牧民曾将牦牛粪用作生火材料。牦牛奶可以制成酥油、酸奶和极硬的干奶酪；酥油可用作灯油，也可加入茶中饮用或当作化妆品涂在脸上。
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