Interracial marriage promotes diversity and understanding.

Intermolecular forces are an important factor in determining the properties of a substance.

His work progress is slow.

He is doing special exercises to strengthen the interosseous muscles of his hand.

In Japanese grammar, postpositions play an important role.

A back vowel is a sound where the back of the tongue approaches the palate.

Back vowels are vowels that are pronounced using the back of the tongue.

Postfix notation is one method of expressing calculations.

The Kokin Wakashū is the second collection of the Chokusen Wakashū.

Tokudaiji Sanesada, also known as Goto Tokudaiji Sadaijin, was a court noble and a literary person during the Heian period.