來自LingQ圖書館的示例
重覆密碼
- fluoride treatment
- fluoride varnish
- increased the amount of fluoride
- Could readily attract a fluoride ion
- So mechanism one for fluoride
- why doesn't fluoride deal with the caries problem
- Saliva Carries fluoride around the mouth
- we need to move the fluoride around the mouth
- fluoride only works in conjunction with calcium and phosphate
- They can be stopped by fluoride
