tooth depth

例句：

1. 1.The dentist advised me to have my teeth cleaned regularly.
   牙医建议我定期洗牙。
2. 2. He had a deep understanding of the history of Chinese painting.
   他对中国绘画的历史有着深刻的理解。
3. 3. The scientist conducted an experiment to measure the tooth depth of the animals.
   科学家进行了一项实验，以测量动物的牙齿深度。