Deep Sea Exploration

noun A remotely operated vehicle used for underwater exploration or work

• The ROV was deployed to explore the ocean floor at great depths.
• They sent the ROV down to check out what was under the water.
• Let's send the ROV down and see what's going on down there.
• Using the ROV, we can delve deep into the unknown like never before.

noun a type of trawl used in oceanography for sampling the seafloor and collecting marine organisms

• The research vessel deployed the Agassiz trawl to collect samples of deep-sea organisms.
• We used the Agassiz trawl to scoop up some cool stuff from the ocean floor.
• Let's throw the Agassiz trawl overboard and see what we can catch!
• Using the Agassiz trawl, she sifted through her memories to uncover hidden truths.