Englishfor English speakers
radar
Noun
—
The way for finding the position and speed of aircraft and ships.
ocean
Noun
—
An ocean is a large area of salt water.
My great grandfather came across the Atlantic ocean from Scotland to Canada in 1882 on a sailing ship.
She stood on a beach in Japan and looked east at the sun coming up over the Pacific ocean.
reconnaissance
—
noun
(= reconnaissance mission)
the act of reconnoitring (especially to gain information about an enemy or potential enemy)
an exchange of fire occurred on a reconnaissance mission
satellite
Noun
—
An object in orbit around another celestial object, such as the Moon orbiting the Earth.
—
A man-made object orbiting a celestial body, especially one sending back information to Earth or one helping with GPS trilateration or television signals.
—
A television which uses a satellite dish.