Trundle bed
01
拖拉床, 备用床
a bed that is stored underneath another bed and can be pulled out when needed for extra sleeping space
例子
She pulled out the trundle bed when her friend stayed over for the weekend.
当她的朋友周末留宿时，她拉出了滑动床。
The trundle bed was perfect for our small apartment, as it provided an extra bed without crowding the room.
拖拉床非常适合我们的小公寓，因为它在不拥挤房间的情况下提供了一张额外的床。
