He was elected as a member of the senate.

We went hiking on the plateau over the weekend.

I love contemporary drama.

Freedom of speech is a fundamental right of democracy.

He is respected as a member of the intelligentsia.

Oxygen, which is one of the chemical elements, is necessary for us to breathe.

I specialize in photographic processing.

We must not forget the horror of nuclear and hydrogen bombs.

Nuclear power is one of the renewable energies.

Nuclear power plants are an important source of energy supply.