In Buddhism, 'Sei' means the tranquility of the mind.

I put the book on the table.

Have you checked the timetable for the new semester?

I exercise at the gym for two hours every day.

What do you call 'time' in dialect?

I've been waiting for hours at that shop, but the meal still hasn't come out.

This park is quiet and secluded, giving a sense of being away from the hustle and bustle of the city.

He was receiving an intravenous injection.

We must consider appropriate measures for this problem.

This word is used as a postposition.