He fractured his metatarsal bone.

The Second Sino-Japanese War was a war that lasted from 1937 to 1945.

This shop is currently open.

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.

Lawrencium is one of the heaviest elements in the periodic table.

The great auk is a species of bird that has become extinct.

Deuterium is one of the isotopes of hydrogen.

He was working on that project round the clock.