Suddenly he heard the quick , short click of a horse's hoof behind him.

突然间,他听见背后响起一阵急骤的马蹄的得得声.

辞典例句

Three things are not to be trusted - a cow's horn, a dog's tooth , and a horse's hoof.

三件东西难信赖:牛角 、 犬牙 和马蹄.

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The upper margin of a horse's hoof.

马蹄的上部边缘.

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