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Lechwe live for up to 12 years .

母羚羊的寿命是12年。

A male lechwe has a chance to become dominant and thus breed with many females .

一只雄性羚羊有机会在群体中因获得统治地位而同许多雌性羚羊交配。

The study in question was of nile lechwe , an endangered antelope .

研究的对象是尼罗河驴羚，一个濒危的羚羊品种。