bed material size

例句：

1. 1.The new bed has a larger size than the old one.
   新床的尺寸比旧床大。
2. 2.We need to measure the bed material size before we buy the mattress.
   我们在买床垫之前需要测量床垫材料的尺寸。
3. 3.The room is too small for the bed material size we ordered.
   我们订购的床垫尺寸房间太小了。