There was one exception: a line of beds that used so-called memory foam instead of a standard mattress and boxspring.
只有一个例外，那就是一系列使用所谓记忆泡沫材料的床，而一般的床用的都是弹簧床垫或床垫架。
2
The first thing people should do is encase their mattress, boxspring and pillows with bedbug certified mattress encasements.
人们首先要将自己的床垫、发条盒和枕头装进防臭虫认证的床垫装箱。
3
To explain elastography, Ophir likens the body to a box-springmattress, but "a crazy mattress made out of millions of small springs and each one is a little different."