He is undergoing rehabilitation at the sanatorium.

Rutherfordium is one of the elements on the periodic table.

The Colosseum in Rome is one of the symbolic buildings of ancient Rome.

Tritium is a radioactive isotope, mainly produced in nuclear fusion reactions.

His story was completely nonsense.

He is deeply studying about the counterpoint in music.

His effort is exactly like the proverb 'Even a fool can move a mountain.'

Ununhexium is an element that is not yet fully understood.

Strontium is one of the elements abundantly present in the earth's crust.

The soundtrack of this movie is wonderful.