In the Japanese class, the teacher taught us how to use the imperative form.

In this experiment, we will use the International System of Units.

He was wearing a cone-shaped hat.

The ecosystem of this lake is very fragile.

In physics, the inertial frame of reference is a very important concept.

I have extensive experience in accounting practice.

My accounting job is to keep a record of monetary transactions.

He greeted the emperor with a deep bow.

He made a low bow to the king.

The system of this company is very efficient.