Example: The scuba diver explored the underwater world of the coral reef.

Example: The town was underwater after the river overflowed its banks.

Example: The submarine was designed for long periods of time underwater.

Example: The company was underwater and struggling to stay afloat.

Example: After the breakup, she felt like she was underwater and couldn't breathe.

• I saw a beautiful underwater world when I went snorkeling last week.
• I love swimming underwater and holding my breath for as long as I can.
• The fish in the underwater tank at the aquarium were so colorful and fascinating.
• The submarine sank deep underwater in the ocean.
• The scuba diver explored the underwater wreck and found a treasure chest.
• The scuba divers were able to explore the mysterious underwater cave.
• I had to hold my breath for a long time to swim underwater to the other side of the pool.
• I love to go snorkeling and see all the underwater creatures.
• The fish in the underwater world can be so colorful and beautiful.
• We had a lot of fun playing underwater games in the hotel pool.
• I love to go underwater to explore the coral reef and the colorful fish.
• The scuba divers were amazed by the underwater caves and tunnels they explored.
• The shipwreck lay silently underwater, its stories and history lost in time.
• The submarine went underwater and soon disappeared from our view.
• The underwater world is full of mysteries and secrets waiting to be uncovered.
• The underwater camera captured stunning footage of the graceful movements of the dolphins.
• The underwater tunnel provided a unique and exciting experience for the aquarium visitors.
• The coral reefs underwater are home to numerous species of colorful marine life.
• The underwater vegetation provides important oxygen for the aquatic ecosystem.
• The diver went underwater to explore the sunken shipwreck.
• Scuba diving enthusiasts are often astounded by the breathtaking underwater views.
• The underwater cave system was a perilous but thrilling adventure for the experienced cave diver.
• The octopus effortlessly blended into the underwater landscape using its natural camouflage.
• The submarine's periscope rose above the water's surface but quickly disappeared back underwater.
• The underwater world is a mysterious and fascinating realm that holds secrets yet to be discovered.
• The underwater mechanics of a submarine are complex, requiring precise engineering for safe navigation and propulsion.
• As a professional diver, I've had the opportunity to explore underwater caverns and witness the beauty of marine life up close.
• After a few days of heavy rainfall, the river swelled and burst its banks, leaving many nearby homes completely underwater.
• The underwater acoustics of marine mammals are fascinating, as they use vocalizations to communicate and navigate through the ocean.
• The sunken shipwreck was a popular destination for adventurous scuba divers, who were thrilled to explore the underwater ruins.