time dilation

例句：

1. 1. The scientist observed the effects of time dilation during the experiment.
   科学家在实验中观察到了时间膨胀的影响。
2. 2. Time dilation is a fundamental principle in physics.
   时间膨胀是物理学中的一个基本原理。
3. 3.Due to time dilation, the distance traveled by a particle appears shorter than it actually is.
   由于时间膨胀，一个粒子所经过的距离看起来比实际要短。