Brownian motion process

例句：

1. 1. The Brownian motion of the particles is a fundamental property of liquids.
   颗粒的布朗运动是液体的基本性质。
2. 2.The Brownian motion of the particles is a fascinating phenomenon that has fascinated scientists for centuries.
   颗粒的布朗运动是一个令人着迷的现象，几个世纪以来一直吸引着科学家们。
3. 3. In this experiment, we observe the Brownian motion of water droplets in a microscope.
   在这个实验中，我们通过显微镜观察水珠的布朗运动。