您要查找的是不是：
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- A sensitive nerve in a tooth can cause great pain. 牙神经易受损伤，可产生巨痛。
- A crown for covering or sealing a tooth. 齿冠遮盖或密封牙齿的冠状物
- The emergence of a tooth through the gums. 长牙牙齿突然从牙床里长出
- How long does it take to drill a hole? 打一口井要多长时间?
- The dentist drilled a hole in the tooth. 牙科医生在牙齿上钻个洞。
- Drill a series of holes in the frame. 在构架上钻一串孔。
- I can drill a dime at fifty yards. 可是我能在五十玛之外打中一个银币呢。
- The part of a tooth between the crown and the root. 牙颈在牙冠和牙根之间的部位
- It is not easy to drill a hole through the stone. 要在石头上钻个洞不容易。
- He went to the dentist and had a tooth crowned. 他去看牙医把牙镶了。
- We will have to drill a hole of 1.4mm. 我们要钻一个1.;4毫米的孔。
- You can't feel at ease with a tooth ache. 牙痛时说什么你也不会好受的。
- We've gone through the drill a hundred times. 我们已经排演过这个演习有好几百遍了。
- A dentist drills a tooth to remove decayed material 牙医用牙钻钻牙以除去蛀蚀的部分。
- New recruits have three hours of drill a day. 新兵一天有叁小时的操练.
- The old man broke a tooth on a bone. 这老人咬上骨头把一颗牙折断了。
- It's a messy business having a tooth taken out. 拔牙会弄得人很脏。
- An eye for an eye, and a tooth for a tooth. 以眼还眼，以牙还牙。
- The other day I had a tooth taken out. 前几天我拔了一个牙。
