1. elementary theory of beam 
   梁的基本理论
2. pericoronitis of wisdom tooth 
   牙咬痈
3. The beam emerges from the tip, shining onto the tooth or gums. 
   光束从顶端射出，照在牙齿或牙龈上。
4. A beam of protons; a beam of light. 
   质子电波；光束
5. The infrared beam from an erbium laser is absorbed efficiently by the tooth but poorly by the gums. 
   来自铒激光器的红外光束能够被牙齿有效地吸收，但是牙龈却不行。

查看更多例句 相关情景会话