I learned how to create formulas in math class.

He created a formula to solve the problem.

They made love in the standing position.

What is the role of the Tachikōji?

This library was established by the ward.

What is today's menu?

The trees standing close together are swaying in the wind.

This weir was built to regulate the water level of the river.

He picked up the small torch and illuminated the darkness.

This river has a beautiful pebbled riverbed.