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- African elephants only have four teeth to chew their food with. However, each tooth is 12 inches long, and their tusks are elongated teeth that grow throughout their lives, like fingernails. 非洲象只有四只牙齿用以咀嚼食物，但是每只牙长达12英寸，而且尖尖的象牙是延长的牙齿，就像指甲一样终生生长。
- African elephants only have four teeth to chew their food with. However,each tooth is 12 inches long,and their tusks are elongated teeth that grow throughout their lives,like fingernails. 非洲象只有四只牙齿用以咀嚼食物，但是每只牙长达12英寸，而且尖尖的象牙是延长的牙齿，就像指甲一样终生生长。
- 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。
- 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。
- The painting doesn't look like her. The face is too elongated. 这幅画不像她。她的脸被画得太长了。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- A slender, elongated, threadlike object or structure. 纤维一种细长的线状物体或组织
- 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
- 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。
- The pancreas is an elongated, whitish gland. 胰脏是一个细长形的白色腺体。
- He had a bad tooth pulled out yesterday. 昨天他把蛀牙给拔掉了。
