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- teeth dentin layers 齿质层
- We should brush our teeth at least twice a day. 我们每天应该至少刷两次牙。
- 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。
- A skilled person can split slate into layers. 手巧的人能把板岩剖成片。
- 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。
- There are several layers of meaning. 有几层不同的含意。
- 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。
- The growth of successive layers of a cell wall. 敷着，附着细胞壁连续层的生长
- 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。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- 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
- Composed of layers bonded together. 层积的由合在一起的薄层组成的
- 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。
