He is learning the technique of suturing.

This program has a consistent naming convention, making it easy to understand.

The involucre of this flower is very beautiful.

He is actively participating in the defense of the constitution.

He is leading a self-indulgent life.

The crawling baby is playing in the living room.

There is still an old battery on this island.

Plum blossom needle is a traditional Chinese medicine.

This dictionary is a priceless treasure to me.

Without his help, we wouldn't have been able to complete this project. That's why we prize his presence.