She also approached dentists to learn more about teeth cleaning.
她还接触了牙医，学习更多关于牙齿清洁的知识。
Miswak is a teeth cleaning twig used mainly in the Middle East, Pakistan and India.
Miswak是一种主要在中东、巴基斯坦和印度使用的牙齿清洁树枝。
To all orthodontics patients , one free check up & teeth cleaning for your parents or friends ! new ortho - people will be given more benefit ! enjoy it in summer.
致所有亚正齿科矫正病人：暑假期间您的父母或朋友可得到一次全免费的口腔检查和专业洁牙服务。矫正新体验者会有更多优惠！
She never goes to the dentist for teeth cleaning.
她从来不去牙医那里清洗牙齿。
It is important to combine these exercises with daily teeth cleaning (which is so essential).
把这个练习和每日的刷牙一起完成很重要。
It is important to combine these exercises with daily teeth cleaning (which is so essential).
把这个练习和每日的刷牙一起完成很重要。
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