Keep your teeth clean by brushing and flossing at least twice a day .

每天至少刷牙和用牙线洁牙两次来保持牙齿清洁。

Your smile depends on simple dental care habits , such as brushing and flossing .

自信的笑容取决于简单的牙齿护理习惯，如刷牙和使用牙线。

Just like bathing and tooth brushing , these positive habits are foundational life skills .

就像洗澡和刷牙一样，这些好习惯都是最基本的生活技能。

Volunteers wore human dentin samples in their mouths , and tested different brushing regimens .

在志愿者口中放置人牙质样本，研究人员测试了不同的刷牙方案。

Liver better greengoose uses wireless sensors and simple game mechanics to encourage behaviors like brushing your teeth riding your bike and walking your dog .

完美生活greengoose利用无线感应器和简单的游戏机制来鼓励诸如刷牙、骑自行车或遛狗这样的良性行为。