verb · to pay for someone else temporarily or to advance money

我没带钱包，你能不能先帮我垫一下？

verb · to pad out, level a surface, or fill a gap by adding material

桌腿有点晃，拿块纸头垫一下。

noun · a cushion, mat, or pad used for support or protection

他在椅子上加了一个软垫。