A street car came through the signal, rumbled slowly down the block, and came to a stop at the safety zone.

The caravan rumbled slowly on, and the little girl fell asleep.

It rumbled slowly on, driving the robot before it.

As the police car slowly rumbles away, Mark raises his hand, forms a peace sign, then waves goodbye.

From a small truck that rumbled slowly towards him.

As the coach rumbled slowly over the low iron bridge, it seemed to Moses that they were crossing not a river but a great ocean.

But the end of the rope slipped from his hand before he was ready, and he went rumbling slowly toward the center of the deck.

It rumbled slowly across the field, inexorable and unwitting, vulnerable.

Huge carts filled with nodding lilies rumbled slowly down the polished empty street.

The land engine rumbled forward slowly, the wider wheels offering more stability than those of the first trial an eight-day earlier.