In course of time they became completely friendly and even visited some keepers’ houses and huts.

通过一段时期的接触后，密西根狼獾变得信任人类，并且有时还来拜访自然保护区看守人的房子。

youdao

In course of time they became completely friendly and even visited some keepers’ houses and huts.

通过一段时期的接触后，密西根狼獾变得信任人类，并且有时还来拜访自然保护区看守人的房子。

youdao