Phosphorus is a key element in all known forms of life.

However, the oldest known form of this image is an 1888 German postcard.

Mycenaean is the most ancient known form of the Greek language.

After many years, he became the first student to learn all known forms and style of the Shaolin system.

Other known forms of art in the country are music, poetry, and several sports.

Energy in any known form is a field of force in space.

Mary, a committee is the only known form of life with a hundred bellies and no brain.

The headnote "is more like an advertisement than any other known form."

Ashley desperately wanted to assume some known form of defensive position he had learned, but a greater force took over.

This process is widely used in all known forms of life.