跑道儿 pǎodàor runway Definitions Defs Origin Strokes Stroke Words Sentences Sents pǎodàor runway 跑道 pǎodào noun runway prepared surface at an airfield for airplanes to take off and land儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.pǎodàor to run errands 跑道 pǎodào to run errands to run errands; to beat the pavement for work or tasks儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.pǎodàor track 跑道 pǎodào noun track designated path for sports such as racing, skating, or track and field儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.