sloth

sloth
[sləʊθ]
noun

[mass noun]reluctance to work or make an effort; laziness
不愿工作（或努力）；懒惰
he should overcome his natural sloth and complacency.
他应当克服自己天性中的懒惰和自满。
a slow-moving tropical American mammal that hangs upside down from the branches of trees using its long limbs and hooked claws
树懒
Families Bradypodidae (three species of three-toed sloth in genus Bradypus) and Megalonychidae (two species of two-toed sloth in genus Choloepus), order Xenarthra (or Edentata)
树懒科（三趾树懒属下有3种）和安德列斯贫齿兽科（二趾树懒属下有2种)，贫齿目

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