Birds need feathers and wings to fly in the sky.

A yoctosecond is one trillionth of a trillionth of a second.

He always tries to run away to avoid problems.

Organic solvents play an important role in chemical reactions.

There are a lot of old furniture in the storage room.

There are many things placed in my room.

His travel story was very interesting.

Physics is a difficult subject.

This is my precious thing.

He created a new story.