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Kissing each day will keep the dentist away. Kissing encourages saliva to wash food from the teeth and lowers the level of the acid that causes decay, preventing plaque build-up. |
中文意思: 每天接吻,远离牙医。接吻促进唾液分泌,清洗残留在牙齿上的食物并降低酸性,避免蛀蚀,防止生成齿菌斑。 |
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