双层公路 shuāngcénggōnglù double-decker highway Origin Definitions Defs Strokes Stroke Words Sentences Sents 双层 雙層 shuāngcéng adjective double-layered having two layers, levels, or decks; double-tier公路 gōnglù noun highway highway; public road; a main road intended for motor vehicles, typically outside of urban areas