She was unprepared for his deep bellow of laughter.

From the upper reaches of the gorge came a deep bellow.

His first move, however, was heralded by a deep bellow from below.

There was another deep bellow as the second crate exploded, set off by the first.

A deep bellow split the air, and the entire pile shuddered.

When his deep bellow of pain pierced the night behind her, she told herself it was her imagination.

At that moment, a deep bellow went up behind Lond.

Zedd gave her a last wave, and the squeal became a deep bellow.

When Rabban let out a deep bellow, the sound echoed through the cold tunnels.

He gave a deep bellow and started pawing the ground with his front legs.