壁癌 bì'ái efflorescence Definitions Defs Origin Strokes Stroke Words Sentences Sents 壁癌 bì'ái efflorescence Persistent mold or white powdery mineral deposits on a wall, often caused by water seepage; literally 'wall cancer'
壁癌 bì'ái efflorescence Persistent mold or white powdery mineral deposits on a wall, often caused by water seepage; literally 'wall cancer'
