He apologized to her earnestly.

He brought his muddy shoes into the house.

The lakeside overgrown with reeds is very beautiful.

Have you seen my bag?

She was wearing a new bracelet on her wrist.

The elevator descended to the basement.

I used a digital recorder to record the content of the meeting.

Europium is one of the rare earth elements.

Polonium is one of the radioactive elements.

Einstein proposed the theory of relativity.