He understands the basic concepts of thermodynamics.

When the volcano erupted, a glowing cloud covered the sky.

He said he was feeling feverish and left early.

He prayed fervently for his sick friend.

He prayed earnestly for his sick mother.

In the midday heat of summer, he continued to work while drenched in sweat.

His new movie is receiving passionate praise from critics.

His new movie received passionate praise from critics.

Global warming is a big issue that affects all of us.

He is an expert in geophysics.