您要查找的是不是：
- A device placed in the mouth to keep it open, as in dentistry. 张口器如牙科中放在嘴里使嘴张开的装置
- For professional footballers, injuries are an occupational hazard. 对于职业足球运动员来说，受伤是职业本身带来的危险。
- Modern dentistry began in the 1700s in France. 现代牙科学开始于18世纪的法国，
- American dentistry was inexcusable. 美国的镶牙术太蹩脚了。
- Organized dentistry began in 1840. 系统的牙科医学开始于1840年，
- Zhuhai Chiali Dentistry Material Co., Ltd. 珠海佳利行牙科器材有限公司。
- Dentistry - Ceramic denture teeth. 牙科学。陶瓷义齿。
- Dentistry - Dental amalgam capsules. 牙科学。汞齐合金胶囊。
- Dentistry - Denture base polymers. 牙科。假牙用树脂。
- He's only practised dentistry for a year. 他只做了1 年的牙医。
- The graterial glidant of surgery and dentistry. 外科，牙科的材料助剂。
- Which hospital is is domestic dentistry best? 国内牙科最好的是哪个医院？
- I must see dentistry doctor(the dentist) now,nurse. 克罗夫特先生：我必须现在就见牙科医生，护士。
- Skin disorders are common occupational diseases among factory workers. 皮肤病是工人中常见的职业病。
- Explosions, though infrequent, are an occupational hazard for coal-miners. 矿井爆炸虽然不常发生，但却是煤矿工人职业中的危险。
- Occupational Safety and Health Administration. 职业安全和健康署
- A person who is trained and licensed to practice dentistry. 牙科医生受过训练并获准执业牙医的人
- The Development Tendency of Occupational Pensions. 企业年金发展展望。
- James Bond: Yes. Occupational hazard. 詹姆斯·邦德：是的，职业病。
