1. Sloth does not set in until after gluttony and avarice. 懒惰是在暴食和贪婪之后才开始的。
2. They then found the same virus lurking in the genome of the three-toed sloth. 然后他们在三趾树懒的基因组中发现了同样的病毒。
3. Like brown bears and polar bears, sloth bears may have evolved in an environment with few trees. 和棕熊和北极熊一样，树懒熊可能是在树木稀少的环境中进化而来的。
4. Your teen needs some house rules, else he becomes a sloth and his room begins to seriously resemble a gerbil cage. 你的孩子需要一些家规，否则他就会变成一只树懒，他的房间就会变得像一只沙鼠的笼子。
5. Sloth bears also have relatively large canine teeth, which appear to be more functional for fighting than for foraging. 树懒熊也有相对较大的犬齿，它们似乎更适合战斗而不是觅食。
