trundle bed
US /ˈtrʌn.dl bɛd/
UK /ˈtrʌn.dl bɛd/

名词
1.
子母床, 拖床
a low bed on wheels that can be stored under a higher bed
示例:
•
The guest room has a trundle bed, perfect for sleepovers.
客房里有一张子母床,非常适合过夜。
•
We bought a trundle bed to save space in the kids' room.
我们买了一张子母床,以节省儿童房的空间。
在 Lingoland 学习这个单词