1、The movie portrayed a terrifying earthfall scenario, where asteroids hit the earth and caused massive destruction.
这部电影描绘了一个可怕的地球陨落情景，即小行星撞击地球并造成巨大破坏。

2、Scientific research suggests that in the past, earthfall events have had a significant impact on the Earth's ecosystems and biodiversity.
科学研究表明，在过去，地球陨落事件对地球的生态系统和生物多样性产生了重大影响。