He is conducting research on a new energy source.

I am reading the Old Testament.

The incandescent light bulb has burned out, so I'm going to buy a new one.

He moved his eyeballs to look at me.

I will take a little rest.

This love will continue eternally.

He took a deep breath and regained his composure.

His actions are as meaningless as a rotten wood and dung wall.

In the Northern Hemisphere, summer is from June to August.

It is currently summer in the Southern Hemisphere.