பொருள் : The person who holds the secretaryship of the Department of Energy.
எடுத்துக்காட்டு :
The first Secretary of Energy was James R. Schlesinger who was appointed by Carter.
ஒத்த சொற்கள் : secretary of energy
பொருள் : The position of the head of the Department of Energy.
எடுத்துக்காட்டு :
The post of Energy Secretary was created in 1977.
ஒத்த சொற்கள் : secretary of energy