a towel rail的用法和样例：
- We installed a stainless steel towel rail on the wall.
- He knotted a towel about his neck.
- She mops her tears with a towel.
- She wrapped her hair up in a towel.
- After her swim she dried herself with a towel.
- Something, such as a towel, used for wiping.
a towel rail的相关资料：