mattess造句

The bed of old people adds thick mattress with hard mattess or hard bedplate had better.
老年人的床以硬床垫或硬床板加厚褥子为好.

Conditional word, a Bao Jie can be added to fill up between mattess and sheet.
有条件的话, 可以在床垫和床单之间加一层保洁垫.