echo beat

例句：

1. 1. The echo of the bell rang through the hall.
   钟声在大厅里回荡。
2. 2. The beat of the drums was a constant reminder of the march.
   鼓点不断提醒着行军的号角。
3. 3. The echo of their laughter could be heard in the distance.
   他们笑声的回声在远处可以听到。