He was reading a book in his room all day.

An infix is a morpheme that is inserted inside a word.

He is majoring in Sinology.

This speech synthesizer generates very high-quality voices.

I am planning to travel to the Chugoku region next week.

On the seventh day of creation, God finished all his work and rested.

We celebrate our wedding anniversary on the eighteenth day of the month.

I will hold my birthday party on the twenty-eighth day of the month.

He milks the cows every morning.

I am planning to go to Chichibu next week.