This lake is very deep.

His eyes were filled with deep sorrow.

I have been to Yantai.

Due to the fire, black smoke was billowing in the sky.

He threw a smoke bomb to obstruct the enemy's view.

Due to the fire, there was thick smoke everywhere.

In ancient times, it was a struggle to climb the mist-shrouded slope.

The flue of this house is old and needs repair.

He was spending time alone in the smoke tower.

Due to the fire, black smoke was billowing in the sky.