"The economics just weren't there," he said, to fix the underground part of the system.

No members of Congress could be found today who had ever known of, much less visited, the underground part.

It was not visible to us that we saw any underground part.

An underground part called a tuber is used to make medicine.

The term may refer only to the underground parts of the system, or to the full system.

The underground parts and fresh flowering plant are used to make medicine.

Once we're in the storm drains, the underground part shouldn't be hard.

In fact the children are confined to the bunker which is the underground part of the military base.

The underground part of the temple was divided into several areas by partitions.

Damage to the underground parts of plants can also be harmful.