垫底 diàndǐ HSK7 foundation Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: underlay All meanings 4 diàndǐ 4 foundation 1rank last 1tide over 1underlay 1 1 sentence for 垫底 (diàndǐ — underlay) 他在箱子下面铺了几层厚纸来垫底。 tā zài xiāngzi xiàmiàn pū le jǐ céng hòu zhǐ lái diàndǐ. He lined the bottom of the box with several layers of thick paper. Source: Dong Chinese Dictionary