slip bedding

例句：

1. 1. The old man's slip bedding kept falling off the bed.
   老人的滑落的床铺总是从床上掉下来。
2. 2. The baby was sleeping soundly in his new sloping bedding.
   宝宝在他的新滑落的被褥里睡得安稳。
3. 3. The old house had a lot of sloping bedding that needed to be replaced.
   这所老房子有很多滑落的被褥，需要更换。