His voice was like low thunder from a distant storm.

From far astern there came the low, deep thunder of cannon.

When he shrugged his immense shoulders, there should have been a low thunder of displaced air.

"Free at last, " said the low thunder behind him.

It was a low thunder that made the earth tremble under their feet.

Beyond it sounded the long, low thunder of the surf.

Now the screams from inside the hull died away and were replaced by the low thunder of the flames.

There was a distant mutter of low thunder as the ship warmed up.

A voice came into the chamber like low thunder.

The skies were dark with pregnant clouds and low thunder sounded far in the distance.