জল পরিবহন শব্দভাণ্ডার - সাবমেরিন

a warship that can operate both on and under water

a type of small vehicle that is used to travel on water

beneath the surface of a body of water

to visit places one has never seen before

the vast body of salt water that covers most of Earth's surface

the armed forces of a country

a flat part of a bicycle or machine that is pushed with the foot to make it move or operate. It is typically circular and part of the mechanism that drives motion

a machine that uses steam made from boiling water to produce power and make parts move

a state of armed fighting between two or more groups, nations, or states

the war that took place from the year 1914 to 1918 between the allies and the central powers

the war that took place from the year 1939 to 1945 between the axis and the allies

to act violently against someone or something to try to harm them

a country or its forces that one is fighting against in a war

an internal-combustion engine that burns heavy oil

a device that produces electricity; may have several primary or secondary cells arranged in parallel or series

newly developed and incorporating new, modern methods or technology

a type of energy generated by splitting atoms to release their stored energy

to prevent someone or something from being damaged or harmed

someone whose job or education is about science

the bottom of a sea or ocean

a ship that is destroyed or sunk at sea

the earth's surface where it is not under water

to keep something in a particular place for later use, typically in a systematic or organized manner

(plural) necessary things, such as food, medicines, clothes, etc. for a group of people

a deep, narrow, steep-sided depression on the ocean floor