短語詞組短語giant ground sloth 大地嬾;大嬾獸;地嬾Harlan 's ground sloth 地嬾a large extinct ground sloth 已經(jīng)滅絕的大型地麪生活的樹嬾Jefferson 's ground sloth 地嬾ground position light signal sloth 地嬾 返回 ground sloth