submerged

Unlike diesel-powered submarines which must surface regularly to recharge their batteries, nuclear-powered ones can remain submerged for far longer periods of time.

Satellite images show that Vietnam has created new land on all 21 rocks and so-called low-tide elevations—reefs that were previously submerged at high tide—that it occupies in the Spratlys.

By late August, further south in the province of Punjab, floods had submerged 4,500 villages, overwhelming "Pakistan's breadbasket", in a country that can't always afford to import enough food.

With crops submerged and fields destroyed, many farmers will struggle to financially recover.

Thousands of people in Vietnam were evacuated from their homes after record rainfall of more than one metre in 24 hours submerged a central city, the environment ministry said Tuesday.