龋齿

canine teeth───尖牙，犬齿

delaying tactic───n.拖延战术，拖延策略

hearing test───听力测试；听力检查

hearing tests───听力测试

second teeth───第二齿

declining health───健康状况下降

delaying tactics───控制球战术

Floss your teeth at least once a day in order to remove decaying food.───每天至少用牙线清洁牙齿一次，以清除残留在牙缝间的腐烂食物。

Dentists advise their patients to brush and floss regularly to prevent their teeth from decaying.───牙医建议他们的病人定期刷牙并用洁牙线剔牙，防止蛀牙。

To prevent your teeth from decaying, you can do two things - strengthen your teeth's defenses with fluoride and sealants, and reduce the number of bacteria in your mouth.───为了预防龋坏的发生，你可以做两件事情——用氟化物和封闭剂增强牙齿保护，减少口腔内细菌。

I have two decaying teeth.───我长了两颗蛀牙。