slothKK [sloθ] /sloʊθ/發音名詞1樹懶The sloth hung upside down from the branch for hours.那隻樹懶倒掛在樹枝上好幾個小時。2怠惰、懶惰正式His sloth cost him the promotion he had expected.他的怠惰讓他失去了原本期待的升遷機會。