发/i/的音时，抬起舌头的中间部分，让口腔肌肉变得紧张，做出微笑的样子，然后发声。
To make the /i/ sound, raise the middle of your tongue high in your mouth and tense your muscles into a smile. Make a voiced sound.
鉴于我们所知道的牙龈疾病和其他疾病之间的关系，注意你的口腔健康不仅仅是一个好的微笑。
Given what we know about the relationship between gum disease and other diseases, taking care of your oral health isn't just about a pretty smile.
我们的目标是实现您口腔健康水平的持续提高，还您愉悦的微笑和灿烂面容。
Our goal is lasting improvement of your dental health, a happy smile, a shiny face.
“甜美的微笑，光明的未来”口腔健康教育项目始于1994年，已经让5亿孩子获得了愉快的口腔健康教育和预防治疗体验。
The "Bright Smiles, Bright Futures" oral health education program in 1994 has enabled 500 million children to enjoy oral health education and preventive treatment.
“甜美的微笑，光明的未来”口腔健康教育项目始于1994年，已经让5亿孩子获得了愉快的口腔健康教育和预防治疗体验。
The "Bright Smiles, Bright Futures" oral health education program in 1994 has enabled 500 million children to enjoy oral health education and preventive treatment.
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