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- Fossil teeth of ancient mammals are needed to cure him. 要想治好他的病，需要龙齿这味药。
- The Institute of Vertebrate Paleontology and Paleoanthropology, part of the Academia Sinica in Beijing, houses the fossilized teeth of the dinosaur Beipiaosaurus. 北京中科院脊椎动物古生物古人类研究所摆放着一只北票龙的牙齿化石。
- We should brush our teeth at least twice a day. 我们每天应该至少刷两次牙。
- He found a piece of fossil of an ancient bird. 他发现一块古代鸟类的化石。
- This fossil may be over 2 million years old. 这化石可能超过二百万年了。
- The combined fleet is armed to the teeth. 这支联合舰队全副武装。
- He clenched his teeth and refused to tell anything. 他咬紧牙关，什么也不肯说。
- Can you date the fossil exactly? 你能确定这化石的确切年代吗?
- How many teeth did the dentist take out? 牙科医生给患者拔了几颗牙？
- I pick up a leaflet about the care of teeth. 我拿起一张宣传保护牙齿的传单。
- The dentist used amalgam to fill my teeth. 牙医用汞合金给我补牙。
- The dentist was cleaning and taking out teeth. 牙科医生正在清洁和拔牙。
- The lemon juice set his teeth on edge. 柠檬汁把他的牙齿都酸倒了。
- He ground his teeth (together) in frustration. 他因失败而把牙咬得咯咯响。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- He kept his pipe clamped between his teeth. 他一直叼著烟斗。
- 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
- Isn't Professor Bell an old fossil? 贝尔教授真是个老顽固。
- This tooth is sensitive to cold. 这颗牙对冷过敏。
- Mike's wife have a big sweet tooth. 迈克的妻子非常喜欢吃甜食。
