灰狼的英文：
lobo

Gray wolves live in hierarchical packs whose territories cover at least 38 sq mi (100 sq km) and hunt mostly at night.
灰狼采阶级式群居，巢区约占10平方公里，大部分在夜晚掠食。

A male gray wolf may be 7 ft (2 m) long and weigh up to 175 lb (80 kg); it is the largest living wild canid.
雄灰狼长2公尺，重高达80公斤，是现有最大的犬科动物。

They were prepared to fight the fiercest panther or a pack of lobo.
他们准备和最凶猛的黑豹或一群大灰狼拼斗。