post echo

例句：

1. 1. The sound of the waves hitting the shore is a beautiful post echo.
   海浪拍打岸边的声音是一幅美丽的画面。
2. 2.The post echo of the news report was heard in every corner of the city.
   新闻报告的回音在城市的每个角落都能听到。
3. 3.The sound of the wind through the trees created a haunting post echo.
   风吹过树林的声音产生了令人不安的回音。