bedstock

例句：

1. 1. The bed was so uncomfortable that I couldn't sleep at all.
   床太不舒服了，我根本睡不着。
2. 2.He sat on the edge of the bed, looking at the book.
   他坐在床边，看着那本书。
3. 3. The old man had to use his bedstock to help him walk.
   老人不得不用床腿帮助他走路。