窦道 dòudào sinus Definitions Defs Origin Strokes Stroke Words Sentences Sents 窦道 竇道 dòudào sinus (anatomy) a sinus or abnormal fistula in the body subterranean passage an underground passage or tunnel
窦道 竇道 dòudào sinus (anatomy) a sinus or abnormal fistula in the body subterranean passage an underground passage or tunnel
