Significados de heavy squelch en inglés

I started back- Ihearda heavy squelch and a howl; another fainter succeeded, and all was still.

A bulky object fell with a heavy squelch in the middle of the street, a few yards from us.

Even as he softly crooned the words came a heavy squelch of rubbers upon the wet pavement outside, followed by a rapping on the door.