a warship that can operate both on and under water
ponorka, ponořená loď
a type of small vehicle that is used to travel on water
loď, člun
beneath the surface of a body of water
pod vodou, podvodní
to visit places one has never seen before
prozkoumat, objevovat
the great mass of salt water that covers most of the earth's surface
oceán, moře
the armed forces of a country
armáda, ozbrojené síly
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
pedál, šlapka
a machine that uses steam made from boiling water to produce power and make parts move
parní stroj, parní motor
a state of armed fighting between two or more groups, nations, or states
válka
the war that took place from the year 1914 to 1918 between the allies and the central powers
První světová válka
the war that took place from the year 1939 to 1945 between the axis and the allies
Druhá světová válka, II. světová válka
to act violently against someone or something to try to harm them
útočit, napadat
a country or its forces that one is fighting against in a war
nepřítel, protivník
an internal-combustion engine that burns heavy oil
dieselový motor, motor na těžký olej
a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
elektrická baterie, baterie
newly developed and incorporating new, modern methods or technology
pokročilý, inovativní
a type of energy generated by splitting atoms to release their stored energy
jaderná energie, jaderná síla
to prevent someone or something from being damaged or harmed
chránit, zachovat
someone whose job or education is about science
vědec, výzkumník
the earth's surface where it is not under water
země, půda
to keep something in a particular place for later use, typically in a systematic or organized manner
uskladnit, skladovat
(plural) necessary things, such as food, medicines, clothes, etc. for a group of people
zásoby, dodávky
a deep, narrow, steep-sided depression on the ocean floor
příkop, oceánský příkop
