Kageichi is my best friend.

One part is important.

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.

He read the Thousand and One Nights and was drawn to the charm of the Orient.

We installed solar batteries on the roof of our house.

How many megajoules is this energy?

We should save electricity for energy conservation.