a warship that can operate both on and under water
غواصة, سفينة غوص
a type of small vehicle that is used to travel on water
قارب, زورق
beneath the surface of a body of water
تحت الماء, تحت الماء
to visit places one has never seen before
يستكشف, يكتشف
the great mass of salt water that covers most of the earth's surface
محيط, بحر
the armed forces of a country
الجيش, القوات المسلحة
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
دواسة, بدال
a machine that uses steam made from boiling water to produce power and make parts move
محرك بخاري, آلة بخارية
a state of armed fighting between two or more groups, nations, or states
حرب
the war that took place from the year 1914 to 1918 between the allies and the central powers
الحرب العالمية الأولى
the war that took place from the year 1939 to 1945 between the axis and the allies
الحرب العالمية الثانية, الحرب العالمية II
to act violently against someone or something to try to harm them
يهاجم, يعتدي
a country or its forces that one is fighting against in a war
عدو, خصم
an internal-combustion engine that burns heavy oil
محرك ديزل, محرك يعمل بالنفط الثقيل
a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
بطارية كهربائية, خلية كهربائية
newly developed and incorporating new, modern methods or technology
متقدم, مبتكر
a type of energy generated by splitting atoms to release their stored energy
الطاقة النووية, القوة النووية
to prevent someone or something from being damaged or harmed
يحمي, يصون
someone whose job or education is about science
عالم, باحث
the earth's surface where it is not under water
أرض, تربة
to keep something in a particular place for later use, typically in a systematic or organized manner
خزن, تخزين
(plural) necessary things, such as food, medicines, clothes, etc. for a group of people
إمدادات, لوازم
a deep, narrow, steep-sided depression on the ocean floor
خندق, حفرة محيطية
