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

noun

• soft decayed area in a tooth
  Synonym:cavitycariesdental caries

双语例句

• A colorless crystalline salt of sodium ( NaF) used in fluoridation of water and to prevent tooth decay.
  一种无色晶状钠盐（NaF），用于氟化水和防止牙齿腐烂。
• Halitosis can be caused by tooth decay or throat infections.
  龋齿或喉部感染可引起口臭。
• The nation's largest dental group said chewing sugarless gum for20 minutes after each meal can reduce tooth decay.
  国家最大的牙科小组说在每顿饭后咀嚼无糖的口香糖20分钟可以减少牙齿腐蚀。
• Tooth decay begins when teeth are not cleaned properly after eating.
  进食后没有适当清洁牙齿，是蛀牙的导火线。
• Drinking fluoridated water is one of the best ways to prevent tooth decay.
  喝含氟化物的水是防止蛀牙的最好办法之一。
• Too much sugar can cause tooth decay.
  吃太多糖会导致蛀牙。
• Sugarless yoghurt could help beat bad breath, tooth decay and gum disease, say scientists.
  科学家们发现，无糖酸奶有助于减轻口腔异味、蛀牙和牙龈疾病。
• Brush your teeth regularly to guard against tooth decay.
  经常刷牙，预防龋齿。
• Floss: This is essential to reduce tooth decay and gum disease.
  用牙线清洁牙缝：这是一种必不可少的可以减少龋齿和牙床疾病的方式。
• Apples also act as a toothbrush, cleaning teeth and killing bacteria in the mouth, which may reduce the risk of tooth decay.
  苹果还有牙刷作用，洁齿和杀灭口腔细菌，减少龋齿的危险。