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- United States Army Regional Dental Activity 美国陆军地区牙医站
- Dental prosthetics involving a bridge or bridges. 用齿桥补牙用一个或多个齿桥进行牙齿修复
- I had undergone a major dental operation. 我经受了一次牙科大手术。
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- The doctor told me that I have many dental problems. 医生说我的牙齿问题很多。
- A shaft on which a working tool is mounted, as in a dental drill. 心轴用于安装工具的蕊棒，如牙钻蕊棒
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- A center of interest or activity. 中心兴趣或活动的中心
- Silver amalgam is used as a dental filling. 银汞合金被用作牙的填料。
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
- Indulgence in or pursuit of sexual activity. 纵欲; 追求肉欲对性行为的放纵或追求
- I will like to have a dental checked - up. 我要去牙科做一次检查。
- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
