A ship or boat refers to a vehicle that uses the buoyancy of water and relies on the power of manpower, sails and engines (such as steam engines, gas turbines, diesel engines and nuclear power plants) to pull, pull, push, paddle or push propellers and high-pressure nozzles to move on the water.

Ship classification

Civil ships are usually called boats (junk in ancient times), ships, airplanes and boats, military ships are called boats (junk in ancient times) and warships, and small ships are called boats, junk, rafts or boats, collectively referred to as ships or boats.