| 单词 | 牙齿卫生 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔dental hygienist〕A person trained and licensed to provide preventive dental services, such as cleaning the teeth and taking x-rays, usually in conjunction with a dentist.牙齿卫生师：受过训练并有热照的人，他能提供预防性牙科服务，例如洁齿、照X光等。他们通常和牙科医生合作美国传统〔dental〕Proper dental care can prevent tooth decay.适当注意牙齿卫生可以防止龋齿。英汉大词典 |
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