particle track

例句：

1. 1.The particle track in the detector shows the path of the particles as they move through the material.
   探测器中的粒子轨迹显示了粒子穿过材料时的运动路径。
2. 2.The particle track is a crucial part of the experiment, helping to determine the properties of the materials.
   粒子轨迹是实验中至关重要的一部分，有助于确定材料的物理性质。
3. 3. The particle track was used to map out the distribution of the atoms in the sample.
   粒子轨迹被用来绘制出样本中原子的分布情况。