a warship that can operate both on and under water
okręt podwodny, submarina
a type of small vehicle that is used to travel on water
łódź, łodka
beneath the surface of a body of water
pod wodą, podwodny
to visit places one has never seen before
eksplorować, odkrywać
the great mass of salt water that covers most of the earth's surface
ocean, morze
the armed forces of a country
wojsko, siły zbrojne
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
pedał, korba
a machine that uses steam made from boiling water to produce power and make parts move
maszyna parowa, silnik parowy
a state of armed fighting between two or more groups, nations, or states
wojna
the war that took place from the year 1914 to 1918 between the allies and the central powers
I wojna światowa
the war that took place from the year 1939 to 1945 between the axis and the allies
II wojna światowa, Druga wojna światowa
to act violently against someone or something to try to harm them
atakować, napadać
a country or its forces that one is fighting against in a war
wróg, przeciwnik
an internal-combustion engine that burns heavy oil
silnik diesla, silnik na olej napędowy
a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
bateria elektryczna, ogniwo elektryczne
newly developed and incorporating new, modern methods or technology
zaawansowany, innowacyjny
a type of energy generated by splitting atoms to release their stored energy
energia jądrowa, moc jądrowa
to prevent someone or something from being damaged or harmed
chronić, zabezpieczać
someone whose job or education is about science
naukowiec, badacz
the earth's surface where it is not under water
ziemia, grunt
to keep something in a particular place for later use, typically in a systematic or organized manner
przechowywać, przechować
(plural) necessary things, such as food, medicines, clothes, etc. for a group of people
zaopatrzenie, dostawy
a deep, narrow, steep-sided depression on the ocean floor
rów, oceaniczny rów
