久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

首頁英語詞典dentistrydentistry英英釋意

dentistry

英 ['dent?str?] 美['d?nt?stri]
  • n. 牙科學；牙醫業

英英釋意

1. the branch of medicine dealing with the anatomy and development and diseases of the teeth