hygienist/haɪˈdʒen.ɪst/名词(负责清洁牙齿的)牙医助手During my dental appointment, the hygienist thoroughly cleaned my teeth and provided helpful tips for maintaining good oral hygiene.在我的牙科预约期间,卫生员彻底清洁了我的牙齿,并提供了保持良好口腔卫生的有用建议。想跟读,去练习