clear air echo

例句：

1. 1. The sound of the waves echoed across the beach.
   海浪的声音在沙滩上回荡。
2. 2. The singer's voice echoed through the halls.
   歌手的声音在大厅里回荡。
3. 3. The thunderous roar of the lion echoed through the jungle.
   狮子的咆哮声在丛林中回响。