dental hygieneˈdentəlˈhaidʒi:n短语⁸⁴³²⁰⁺⁸ 基本例句 口腔卫生 As a dental hygiene major, you'll train to treat decay, diseases, and injuries of the mouth. You'll also learn how to teach patients to care for their own teeth and gums. 这个专业的学生学习处理口腔腐烂，口腔疾病，口腔损害等，以及教病人学习保护自己的牙齿和牙龈。 oxvard