sloth/sləuθ; sloθ/ n[U](fml 文) laziness; idleness 怠惰; 懒散.sloth / sləuθ; sloθ/ n S American mammal that lives in trees and moves very slowly 树懒（南美洲的哺乳动物, 栖於树上, 行动极缓慢）.
牛津英汉双解词典