名词
中文翻译：床垫层
同义词：
['layer', 'bed sheet', 'mattress', 'bed topper例句：1. The bed is too soft', 'and I need a new bed layer.（床太软了，我需要换一个新的床垫层。）2. The mattress has been worn out', "and it's time for a new bed layer.（床垫已经磨损了，是时候换一个新的床垫层了。）"]
例句：
-
1. The bed is too soft, and I need a new bed layer.
床太软了，我需要换一个新的床垫层。
-
2. The mattress has been worn out, and it's time for a new bed layer.
床垫已经磨损了，是时候换一个新的床垫层了。
-
3.The bed topper adds extra comfort to the bed layer.
床垫增加了额外的舒适感到床垫层。