Read Edit View history 垫底儿 Origin Definitions Defs Strokes Stroke Words Sentences Sents created reference approved 垫底儿/墊底兒 → 垫底/墊底 (erhua_variant) 2026/03/04 垫底儿 / 墊底兒 diàndǐr 垫底 / 墊底 diàndǐ erhua_variant created reference Mar 4, 2026, 02:25 AM