1
on a mattress
介词on表示在床垫表面
He lies on the mattress.
他躺在床垫上。
床垫
先理解核心含义，再看它在真实句子里的用法。
床垫
a large pad used as a bed or part of a bed, typically filled with resilient material and often containing springs
He lies on the mattress.
他躺在床垫上。
供人躺卧睡觉的垫子,通常内部有螺旋弹簧,外层覆盖泡沫或其他缓冲材料,再用布料包裹。
A pad on which a person can recline and sleep, usually having an inner section of coiled springs covered with foam or other cushioning material then enclosed with cloth fabric.
一种厚实的大垫子,内填弹性材料,常含螺旋弹簧,用作床或床的一部分。
a large thick pad filled with resilient material and often incorporating coiled springs, used as a bed or part of a bed
一种挡土墙形式,用于支撑地基或路堤。
A form of retaining wall used to support foundations or an embankment
一种保温层形式,尤用于锅炉。
A form of lagging, in particular for boilers.
I need to buy a new mattress because my old one is too soft.
我需要买一张新床垫，因为我的旧床垫太软了。
The mattress on the guest bed is quite firm and comfortable.
客床上的床垫相当硬挺舒适。
She had a bad back and needed a mattress that provided good support.
她背部不好，需要一张提供良好支撑的床垫。
介词on表示在床垫表面
He lies on the mattress.
他躺在床垫上。
mattress作为修饰语构成复合名词
I need a new mattress cover.
我需要一个新的床垫套。
常用动词包括buy, replace, return等
She bought a mattress online.
她在网上买了一张床垫。
Not this
I bought a new mat for my bed.
Use this
I bought a new mattress for my bed.
'mat'指薄垫（如门垫），床垫应为'mattress'，两者是不同的物品。
Not this
I need to buy new mattress.
Use this
I need to buy new mattresses.
'mattress'是可数名词，复数形式加-es，应写为'mattresses'。
Not this
I sleep on mattress.
Use this
I sleep on the mattress.
可数名词单数前需加冠词，应使用'the'或'a'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
硬床垫
Doctors recommend a firm mattress for people with back pain.
医生推荐背痛患者使用硬床垫。
记忆海绵床垫
She bought a memory foam mattress to improve her sleep quality.
她买了一个记忆海绵床垫来改善睡眠质量。
充气床垫
We used an inflatable mattress for the guests who stayed overnight.
我们为过夜的客人准备了一个充气床垫。
弹簧床垫
The box spring mattress provides good support for the sleeper.
弹簧床垫为睡眠者提供良好的支撑。
床垫保护套
A waterproof mattress cover protects against spills and stains.
防水床垫保护套可防泼溅和污渍。
特大号床垫
They upgraded to a king-size mattress for more sleeping space.
他们升级为特大号床垫以获得更多睡眠空间。
公主感觉到二十个床垫下的一颗豌豆。
I'm so sensitive, I'm like the princess who feels a pea under twenty mattresses.
我太敏感了，就像那个能感觉到二十个床垫下豌豆的公主。
Use mattress naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把mattress拆成mat（垫子）和rest（休息），休息用的垫子就是床垫。
Register: neutral. Typical settings: home, bedroom, furniture stores, hotels. Note: 通常用于日常生活的卧室或家具购买场景，属于中性词汇。
可数名词，复数形式为mattresses
Dictionary facts from ECDICT, WIKTIONARY.