21. 我将把橡皮障放在牙齿上以便获得干燥的环境。
I’ll put this rubber dam on the teeth to get a dry field.
22. 现在，我将给您的牙齿做窝沟封闭。
Now, I’ll seal your teeth.
23. 即使做了窝沟封闭，每餐后刷牙也是非常重要的。
It is very important to brush all your teeth after every meal, even though they have been sealed.
24. 合理的饮食可增强抵抗疾病的能力。
A well balanced diet increases the resistance to disease.
25. 食物对预防龋病是非常重要的。
Food plays an important role in the prevention of dental caries.
I’ll put this rubber dam on the teeth to get a dry field.
22. 现在，我将给您的牙齿做窝沟封闭。
Now, I’ll seal your teeth.
23. 即使做了窝沟封闭，每餐后刷牙也是非常重要的。
It is very important to brush all your teeth after every meal, even though they have been sealed.
24. 合理的饮食可增强抵抗疾病的能力。
A well balanced diet increases the resistance to disease.
25. 食物对预防龋病是非常重要的。
Food plays an important role in the prevention of dental caries.
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