as snug as a bug in a rug

例句：

1. 1. She wasso happy to have such a warm and cozy room.
   她很高兴能有这样一个温暖舒适的房间。
2. 2.The dog was as snug as a bug in a rug when it slept.
   狗在睡觉时就像一只在地毯上跳来跳去的虫子一样舒适。
3. 3.The blanket was as snug as a bug in a rug, keeping her warm all night.
   毯子非常舒适，让她整晚都暖和如初。