knuckle-tooth
基本解释
- 圆弧顶面齿
英汉例句
- They refused to knuckle under to any pressure.
他们拒不屈从任何压力。 - I was given gas when they pulled my tooth out.
给我拔牙时用了一氧化二氮。 - Some of his jokes are a bit too near the knuckle for my taste.
我觉得他有的笑话已近乎淫亵了。 - 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。