The escort ship has entered the port.

The commanding officer directs all operations.

The syrinx of birds can produce different sounds depending on the species.

He seems to have a pessimistic view of life.

He lives in Michigan.

This directory contains the contact information of all employees.

He was appointed as the deputy commanding officer.

He is good at programming, so he started a new project as if he were setting sail on his strong point.

He has a variety of experiences.

I am studying the philosophy of Guanzi.