短語(yǔ)詞組短語(yǔ)giant ground sloth 大地懶;大懶獸;地懶Harlan 's ground sloth 地懶a large extinct ground sloth 已經(jīng)滅絕的大型地面生活的樹(shù)懶Jefferson 's ground sloth 地懶ground position light signal sloth 地懶 返回 ground sloth