In either a boiling-water or pressurized-water installation, steam under high pressure is the medium used to transfer the nuclear reactor's heat energy to a turbine that mechanically turns a dynamo- electric machine, or electric generator.
(the medium; to transfer; the nuclear reactor's heat energy; to a turbine) (a turbine; mechanically turns; a dynamo- electric machine, or electric generator)
the medium a turbine
to transfer mechanically turns
the nuclear reactor's heat energy to a turbine
a dynamo- electric machine, or electric generator