n.樹獺；懶惰
He has kept sloth out. 他已經(jīng)克服了懶惰。
Sloth is one of human being's weaknesses. 人性的弱點(diǎn)之一是懶惰。
adj.怠惰的；懶惰的；遲鈍的
n.怠惰；懶惰
adv.怠惰地；懶惰地
