Archaeologists discovered a burial mound containing ancient artifacts.

She likes to bad-mouth her ex-boyfriend.

She bad-mouthed her ex-boyfriend to all her friends.

The Himalayas and the Rockies are two famous mountain ranges.

The mountain zebra is native to southern Africa.

The mountain gorilla is an endangered species found in the forests of Central Africa.

I reached the mountain top after a long hike.

The Chinese mountain cat is a rare species found in the high mountains of China.

The smash-mouth style of play in football can lead to intense physicality on the field.

Word-of-mouth is a powerful marketing tool.