我们的床垫需要清洗了。

Our mattress needs cleaning.

床垫上大量滋生了臭虫。

Bedbugs infest the mattress.

我们买了一张双面床垫。

We bought a two-sided mattress.

我们需要买一个新的床垫。

We need to buy a new mattress.

这个床垫有很好的弹跳力。

This mattress has a good bounce.

她高兴地跳上了床垫。

She jumped on the mattress with joy.

这张床垫有一个舒适的弹簧。

The mattress has a comfortable spring.

她在商店里试了几个床垫。

She tried several mattress in the store.

旧床垫中间开始下垂。

The old mattress began to sag in the middle.

这个床垫有弹性且舒适。

The mattress is very bouncy and comfortable.