trun·dle bed
noun/ˈtrʌndl bed/
/ˈtrʌndl bed/
(North American English)- a low bed that can be stored under a higher bed
组合床：可在较高床下存放的低床 - A trundle bed is a great solution for occasional guests.
对于偶尔来访的客人来说，小轮床是一个很好的解决方案。
- A trundle bed is a great solution for occasional guests.