摘要
Around twomillion grey wolves once roamed(漫游)freely throughout North America.However,people began to hunt wolves in the 1800s.Wolves were seen as dangerous and a threat(威胁)tolivestock(家畜)People thought of wolves as pests(有害的动物)that they needed to get rid of(清除).
出处
《英语角》
2023年第17期18-19,共2页
English Corner