横断面

例句：

1. 1.The engineer drew a cross-section of the bridge to show its strength.
   工程师绘制了桥梁的横断面图来展示其强度。
2. 2.The doctor explained the medical procedure by showing a cross-section of the patient's heart.
   医生通过展示病人心脏的横断面解释了医疗程序。
3. 3. The scientist measured the thickness of the material using a tool that cuts a cross-section.
   科学家使用一种工具测量材料的厚度，该工具能够切割横断面。