material particle

• 质点

material particle的用法和样例：

例句

1. The particle is displaced in a flow domain.
   这质点在流动区域内运动。
2. "A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
   "科幻小说不能简单地看成是供消遣的，而实际上它给读者展示更深刻的内容。"
3. The creation of material particles requires energy.
   物质粒子的产生需要能量。