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1·The Dall sheep range from Alaska to British Columbia.

多尔大角羊分布于从阿拉斯加到不列颠哥伦比亚一带。

2·As the horns on this male dall sheep grow, they curve forward and upward.

图中这头雄性野大白羊的角，它们随着生长向前和向上弯曲。