That still leaves a vast expanse of ocean unprotected.

You can smell the spring even before it arrives, like a seafarer becalmed for months on the wide expanse of ocean, scenting land before he sees it.

The second movement represents the vast expanse of ocean in stormy agitation.

Due to the relatively small size of many of the islands, there are large expanses of ocean between each island.

This era was a culturally exciting time in history, where cultures that had been separated by huge expanses of ocean suddenly had a mechanism of learning about each other.