cross section of array

例句：

1. 1. The engineerdrew a detailed cross section of the bridge.
   工程师绘制了这座桥的详细横截面图。
2. 2. The doctor explained the medical procedureby showing a cross section of the patient's heart.
   医生通过展示病人心脏的横截面解释了医疗程序。
3. 3. The scientistconducted an experiment to measure the thickness ofthe material at different cross sections.
   科学家进行了实验，以测量不同横截面处材料厚度。