牙齒腐蛀 (ngaa4 ci2 fu6 zyu3) — tooth decay in Cantonesengaaˎ₄牙ciˊ²齒fuˍ₆腐zyu˗₃蛀简 牙齿腐蛀Mandarin Pinyin: ya2 chi3 fu3 zhu4Meaning of 牙齒腐蛀nountooth decay