tooth decay英 [tuːθ dɪˈkeɪ]美 [tuːθ dɪˈkeɪ]n. 蛀牙;龋齿柯林斯词典蛀牙;龋齿If you havetooth decay, one or more of your teeth has become decayed.英英释义nounsoft decayed area in a toothSynonym:cavitycariesdental caries双语例句