slothfulWiktionary 原文中文来自 ECDICTadj.怠惰的，懒惰的构词拆分sloth词根/词干+-ful后缀Used to form adjectives from nouns, with the sense of being full of, tending to, or thoroughly possessing the quality expressed by the noun.词源说明From sloth + -ful.释义（英文）形容词 AdjectiveLazy; idle; tending to sloth.词族派生词（2）slothfullyslothfulness