mattress

/ˈmætrəs/📚 6083 102 1
A mattress is the large, flat object which is put on a bed to make it comfortable to sleep on. 床垫

noun [专属名词]床垫,褥垫;(工程)垫层,沉排,钢筋网

The mattress is best on a solid bed base.
床垫最好放在结实的床座上。

mattress 出现在下面的课文中
Lesson 49 The end of a dream mattress 名词: 床垫
Lesson 18 Porpoises
单词造句:
网友用“Mattress”造句精选
He crouched down and reached under the mattress. 他蹲下来,把手伸到了床垫下面。
The mattress and base are normally bought as a set. 床垫和床基通常成套购买。