a profound silence的用法和样例：
- A profound silence prevailed over all.
- Night resumed her reign, and a profound silence prevailed over all.
- There was no applause, only the appreciation of a profound silence.
- A profound silence prevailed over all and the only thing she could hear was the tap of ivy on the pane.
- Luscious strings, gentle percussion and a profound silence carry Peter's soulful compositions straight to the heart of the listener.
- a profound silence; a state of profound shock.