dilatation wave

例句：

1. 1. The expansion wave caused the ocean to rise.
   扩张波导致海洋上升。
2. 2.The dilation wave is responsible for the formation of new stars.
   扩张波负责新恒星的形成。
3. 3. During the dilation wave, the planet's atmosphere expands and contracts rapidly.
   在扩张波期间，行星的大气快速膨胀和收缩。