Because he howls or whines in the presence of impending death, the dog was once thought to have supernatural powers and believed to be capable of seeing gods and ghosts invisible to men.

【参考答案】

狗在即将来临的死亡面前号叫，哀鸣，因此人们从前以为狗是具有超自然能力而且相信狗有能力看见人类看不见的鬼神。