4.The bandits fled in disorder when they heard that a regiment of soldiers were maching to their den.
土匪们听说有一个团的士兵正向他们的巢穴进军就四处溃逃。
5.One morning when a vixen was taking her babies out of the lair, she saw a lioness and her cub.
一天清早,狐狸带着她的孩子走出巢穴,看见了母狮子和她的孩子。
6.Hiking along the purling Lamar River, not far from a den of one of the wolf packs, Ripple walks by a small rise and parts a dense green curtain of booth willows to make a point.